A/N: If you have not read City of Heavenly Fire, I wouldn't advise you to read this unless you want spoilers! Okay, so I decided to do a fanfiction continuation of The Mortal Instruments series now that I have read CoHF!

Summary: The Dark War is over and all seems well with the Shadow World – as well as it can be anyway. Magnus and Alec are happily together again but is all really well with them? What about Simon and Isabelle? What will happen to their relationship now that Simon has basically forgotten everything? And something is about to change Jace and Clary's lives forever, but will things work out? And to top off all the drama, there may still be a threat on the horizon – bigger than the Dark War that just passed.

Hope you enjoy!

Chapter 1

June 2008

It was only the start of summer but the heat was already blazing down on Clary as she sat in Central Park with her sketch pad placed upon her knees.

She let the pencil lightly glide across the paper, sketching the scene in front of her; the trees in the background, ranging in size and shape as their branches – covered in leaves – reached up towards the sky that was streaked here and there with the odd wispy cloud, the blades of slightly long grass swaying gently in the delicate breeze and then finally, the reason she was here right now – Jace, who was lying on the ground staring off at something in the distance.

He had told her she could be a Shadowhunter as well as an artist and she decided she would do just that. Sure, she had less time to draw and be an artist now that she was a Shadowhunter but it didn't mean she didn't have any time.

Clary placed the pencil down with her sketch book and quietly walked over to Jace who was still paying no attention to her at the moment.

When she was about a foot away from him, she reached down to touch his arm when he moved as fast as a bolt of lightning.

His hands wrapped around her upper arms and he pulled her down to the ground, flipping over so Clary's back was against the ground and he was hovering over her.

His hands now rested on either side of Clary's small frame and his golden eyes stared down at her softly with amusement.

"Did you really think you could sneak up on me like that?" he asked, a playful smile gracing his lips.

"I was going to try," Clary replied, her breathing slightly quick from Jace's surprise attack.

Jace just smiled down at Clary lovingly. "You know," he said after a moment's silence. "You should wear teal more often. It's a great colour on you – it brings out your eyes... and your hair."

Clary just looked away for a moment. "Maybe I should wear something that makes my hair less noticeable," she said.

"Why? Your hair is beautiful. It's a rare colour and I love it. I love you," Jace said as he leaned his face down to gently brush his lips against Clary's cheek. He then kissed her nose, her forehead, her other cheek and finally, her lips.

His kiss lingered there the longest. It wasn't a heated, passionate kiss like some of the ones they shared but it was soft and gentle and full of love and adoration.

Clary smiled against Jace's lips and he pulled back slightly. "Did I say I love you?" Jace said, his lips brushing Clary's as he spoke, his eyes staring into hers – gold and green.

"Only about a million times," Clary said. "But it doesn't hurt to hear it again," she continued, her eyes twinkling as she smiled up at Jace.

After a moment of lying there just staring at each other, Jace pushed himself up off Clary and held out a hand to her.

She took it and he pulled her up to her feet.

Clary reached out to grab her sketchbook of the park bench but Jace had beaten her to it and he looked down at the picture Clary had been drawing.

"Amazing," he whispered, smiling at the picture before Clary reached out and took the sketchbook from his hands.

She closed it up, grabbed her pencil and then grabbed Jace's hand with her spare one before they started walking back to the institute.

-o-O-o-

Alec sat on the black leather couch and stared across at the recliner which was currently the spot from which the tiny, familiar cat stared back at him; his yellow eyes almost seemed as if they were glaring – judging him.

Alec heard the apartment door open and close but he didn't take his eyes off the cat.

"Having a staring match with a cat?" the familiar voice said as a body leaned over the back of the couch, casting a shadow across Alec's legs.

"He started it," Alec replied as he turned to face Magnus.

Even now, a couple of months after they had gotten back together, Alec couldn't get used to seeing Magnus's face smiling back at him.

He couldn't get used to seeing the familiar cat eyes staring into his blue ones. He could get used to the warlocks spiked, glittery hair. He couldn't get used to the familiar shock he got every time they touched.

But he would learn to. Sure, he had spent months moping over the fact he had lost his first love but Magnus was back and it was evident that he regretted making Alec suffer. It was evident he wanted to make things right and settle into a solid, steady relationship with the dark haired Shadowhunter.

Magnus chuckled, reaching out to cup Alec's cheek before kissing him.

Alec moved, turning around on the couch so he was on his knees. I reached up with both hands and tangled his fingers in the warlock's glittery hair as he deepened the kiss.

Magnus took Alec's lower lip between his teeth and Alec sighed slightly, trying to get closer to the warlock despite the barrier the back of the couch formed between them.

Alec managed to climb over the arm of the couch while keeping his hands tangled in his boyfriend's hair and their lips stayed locked together.

Alec pressed himself closer to Magnus as the warlock wound his arms around Alec, locking in him in a hug before his hands moved and travelled up the Shadowhunter's back before he cupped his face.

Alec took a step forward, making Magnus take a step backwards. He was about to deepen the kiss further when Magnus pulled away with a groan, gasping slightly for air.

Alec was taking deep breaths as well as he stared at his boyfriend whose cat-like eyes were gleaming and full of love yet annoyance.

"What..." Alec started to say when he heard the chime of the apartment's doorbell.

Magnus walked away towards the door, grumbling about people coming around at the most inconvenient times.

Chairman Meow walked past Alec, stopping briefly to look at him before continuing up the hall.

Alec paid little attention to the cat though; his eyes were fixed on his warlock boyfriend who had opened the apartment door.

No one was there – Alec could see that clearly.

Magnus stared out the door and looked around before he suddenly bent over for a second before standing up straight.

He closed the door and Alec was about to ask what had happened but he saw a piece of paper in his boyfriend's hands.

Magnus unfolded the piece of paper and his eyes skimmed over whatever was written on it. Only a mere second later, Magnus paled – the colour disappearing from his tanned skin.

Alec composed himself, walked over to Magnus and peered over his shoulder to read what was on the piece of paper.

His eyes trailed over the words that had been written in elegant, cursive script and he too felt himself stiffen. He didn't doubt the colour had drained from his face.

I know where you are Alexander Lightwood. You cannot hide from me. I will find you and end you.

-o-O-o-

Clary smiled up at Jace as they walked along the sidewalks back to the institute. "I'm guessing we'll be doing training of some sort when we get back?" Clary said as she at Jace, the afternoon sun causing Jace's hair to take on a more golden tone.

"You guessed correctly," Jace said.

Clary just groaned. She knew she was still kind of new to the shadow world but she knew what she was doing and she was pretty good at it. She felt as if training was a waste of time at some points.

"We don't have to train," Jace said, raising and eyebrow as he looked down at Clary, a flicker of some unidentified emotion appearing in his eyes for a brief moment.

Clary just looked down at her teal sneakers as she scuffed them against the pavement.

Jace just chuckled and slipped his hand out of Clary's before wrapping his arm around her shoulders, his fingers dancing lightly on her shoulder and upper arm.

Clary just giggled slightly as Jace's fingers lightly brushed her skin.

-o-O-o-

Isabelle sighed as she watched Simon, Eric, Kirk and Matt argue playfully on the stage set up in the restaurant.

She didn't particularly like the music the band played – it was still terrible, even more so now that Jordan was no longer a part of the band - his vocals had made the band a little better.

Isabelle's heart contracted as she thought of the slim but muscular boy. He had always been so kind and caring and he had been so easy to talk to. He had been there for Simon but now, Simon had no recollection of the boy that had lost his life protecting Simon and trying to find him when he had been missing.

She could almost picture him on the stage with his dark hair tumbling into his hazel-green eyes as he tried to get the boys to settle down and be serious before they broke something that they would have to replace.

Her heart also contracted again as she thought about Maia. She knew Maia had planned to break up with Jordan but she knew that she still cared about him to some extent.

Isabelle shook her head to clear it of the upsetting thoughts and she looked up at the nerdy boy with glasses as he joked around with his friends.

She had to admit, she wasn't a fan of his style again – the 'Born in Brooklyn' t-shirt, the torn jeans and worn out sneakers was a nightmare to look at but it was who he was. His style didn't change his caring, charming personality. She was still the boy she loved – she hoped.

Ever since Simon's memory of the shadow world had been erased, Isabelle had been holding onto any loose thread she could find.

He remembered kissing her but it just wasn't enough for Isabelle. She had given him her heart and now she had to do it all over again.

She had to get him to fall in love with her again. Sure, it wasn't going to be that hard, it was easy to make guys fall in love with her but she wanted her relationship with Simon to be what it had been before – before the dark war.

-o-O-o-

Clary panted slightly as she dodged one of Jace's 'attacks'.

They had started out training and in a way, they still were training but it was turning into more of a game with each passing second. The two young Nephilim were becoming more and more distracted as the clock ticked.

Clary laughed as Jace tried to grab her but missed.

He spun on his heels and looked at the laughing red-head, his golden eyes gleaming.

"Your laugh is beautiful," he said as he stood up straight and looked at Clary as he tried to catch his breath.

Clary laughed once again.

Jace smiled at her and moved quickly, throwing his arms around Clary's waist and sending the two of them crashing to the mats on the floor.

Once again, Jace was hovering over Clary; his hands placed either side of her head.

He leaned down and brushed his lips against Clary's again.

In a shock movement, Clary pushed Jace backwards and climbed on top of him, sitting on his stomach. She smirked down at him in satisfaction.

Jace just rolled his eyes and placed his hands on Clary's hips, moving his thumbs in small circles as he smiled up at her. "You're good," he said. "Very tricky."

Clary just smiled and stood up a moment later.

Jace stood up after her and decided that training was done for the day.

The two of them packed up the training room and went off to clean up after their day.

A/N: What did you think? Review Please!