As Hawk Moth and the Collector began their scheme, Ladybug, Cat Noir and the rest of the heroes were helping to evacuate the hotel. They succeeded, but then a car pulled up, and out came Alix, Nathaniel and Alix's brother Jalil. Alix and Nathaniel saw Ladybug and chased after her.

"Ladybug!" Alix shouted. "Our friend's gone missing!"

"Liam Rejeter!" Nathaniel added. "We were driving here and he just jumped out of the car."

"While you were still driving?!" Ladybug questioned, shocked that Liam could be so irresponsible.

"I'm afraid so." Jalil responded, catching up to his sister. "He started running off into an alleyway. We chased after him, but he'd gone."

Ladybug pretended to be puzzled, then waved. The three civilians looked into the sky to see the Hornet, landing in front of them. "I'll find Liam. Where did you last see him?"

"We didn't really know where, but he said he had to go home."

"First place to look. That place is... If you see any of your classmates, tell them to go there. Bridgette Dupain can keep you safe, and it's more fortified than the Agreste Mansion."

"WAIT!" Alix shouted. "Please be careful. Before we came over here, he punched a wall and hurt himself. We calmed him down, but I think he's having a breakdown."

Hornet kept his composure. "In that case, you go as well in Chloe's limo and pick up classmates yourself. If he sees you, he won't go crazy." Alix and Nathaniel headed to Chloe's limo, Alix grabbing Jalil's arm and pulling him along. The three got into the vehicle and drove off. The rest of the heroes regrouped.

"That's everyone." Birdy stated.

"Now we can look for that asshole!" Melodie responded.

"There were a lot of friens in the crowd." The Hornet stated. "I told Alix to head to my house and get any other classmates they encounter there as well."

At that moment, Knightowl noticed something flying that was about to hit the Hornet. "LOOK OUT!" Knightowl shoved the Hornet out of the way, making the object hit him instead. Before anyone else could properly react, Knightowl disappeared and the object hit Mercury, making him disappear as well. The remaining heroes were in shock. The object flew past, revealing itself to be a book with Knightowl and Mercury on the open pages. The book flew and was grabbed by a figure on the roof. The team knew exactly who the figure was.

"Gabriel Agreste!" Ladybug and Cat Noir shouted.

"Not anymore. I am now THE COLLECTOR!" The Collector threw his book at the heroes, but Mime threw an invisible object to be absorbed into the book. The book fell onto the floor and the page showed a boomerang, before returning to the Collector.

"Those pesky nuisances!" Hawk Moth spoke through the Collector's head. "Collector, trap them all in your book. I still have one last thing to deal with."

"Yes, Hawk Moth." The Collector answered, before charging at the heroes. Ladybug, Cat Noir, and Hornet dodged to his left and Birdy, Mime and Melodie to his right. Mime kept throwing invisible objects that were revealed to be playing cards when absorbed into The Collector's book. The heroes kept trying to keep the book away from him, but it kept flying back no matter how much they tried.

"Hornet!" Melodie lied. "You've gotta find Liam Rejeter! He's in danger!"

"What about you?!" The Hornet protested.

"We'll be fine!" Ladybug answered.

"Go help him!" Cat Noir kept the illusion up.

The Hornet nodded and flew off, Mime and Birdy covering him from The Collector's book by shooting arrows and playing cards at it.

"Fine. I'll deal with him later." The Collector grunted. Melodie played her flute and orange spheres of energy materialised on the end. Melodie fired them at The Collector, who kept storing them into his book. "ENOUGH!" Collector threw his book again, hitting Mime and Melodie, making them additions to his portfolio.

"Oh, no!" Birdy shouted.

Ladybug took drastic measures and hurled her yo-yo. "LUCKY CHARM!" The item that appeared spooked Ladybug. "A mini-gun?!"

"They're not your thing, Ladybug!" Cat Noir exclaimed as he whacked The Collector's book with his staff.

"Drastic times!" Birdy argued. The Collector's book hit Birdy, absorbing him.

"NO!" Ladybug shouted, before turning to The Collector. She took note of the book and the mini-gun. "Come and get us!" Ladybug fired the gun at The Collector, who caught every bullet with his book. Cat Noir was horrified by Ladybug shooting at his father.

"WHAT ARE YOU DOING?!"

"Finishing his collection!" The Collector moved forward to his targets and eventually swiped Ladybug's gun. He then placed his book onto Ladybug, but she wasn't absorbed into the pages. The Collector, astounded by this, flipped through the book and found the problem.

"It's already full!" Ladybug kicked the book out of the Collector's hands.

"Now, Cat!"

"CATACLYSM!" Cat Noir shouted. He then jumped and pressed his palm on the book, turning it to ashes and exposing the akuma. Ladybug quickly grabbed her yo-yo.

"No more evil-doing for your, vile akuma." Ladybug started the process. "TIME TO PURIFY!" Ladybug caught the black akuma and released a white butterfly. "Bye-Bye, little butterfly!" Picking up the mini-gun, Ladybug threw it into the air. "MIRACULOUS LADYBUG!" The gun dispersed into thousands of Ladybugs that repaired all the damage that the fight had done, the heroes were freed and the Collector fell on his hands and knees, changing back to Gabriel Agreste.

"What have I done?!" The fashion designer exclaimed in horror.

Ladybug and Cat Noir bumped fists. "Pound it!" Cat Noir then dashed to his father.

"Are you okay, sir?!"

"I'm fine now, thank you. I'm so sorry. Hawk Moth used my anger over a book to corrupt me."

"You're safe now." Ladybug assured Gabriel. "Hawk Moth said he had one last thing to do. Do you have any idea what he meant?"

"He's attacking us for causing his family's deaths. The truth is, Ladybug, I was once Hawk Moth, on this team. But in 2000, on a mission in Australia, we... killed Blitzwolf."

Ladybug gasped. "The super-terrorist?"

"Yes. But before he died, he blew up a number of buildings. Hawk Moth said his family were in one of them." Gabriel began tearing up.

"Sir." Ladybug responded. "You made sure a sadistic, vile being couldn't hurt anyone else. You weren't to know that he would blow up those buildings."

"We should have known. And he lost his wife and his daughters..."

Birdy walked over then turned to face his teammates. "Is this true?" Melodie, Mercury, Mime and Knightowl sighed and nodded. Birdy inhaled and exhaled. "Aw, well. I agree with Ladybug, but you should have told us. Now he's targeting your families because he lost his."

Gabriel gasped. "He wanted me to kill Adrien! Now he's going after Liam Rejeter!"

Ladybug grabbed her yo-yo and tried to get into contact with Liam. To her surprise, she got an answer from someone unexpected.

"Who is this?!" The person asked.

"It's Ladybug. Is that Alya?!"

"Ladybug, we need your help! Fire Ant's here! He's beaten up Bridgette Dupain, Jalil Kubdel's unconscious! I think-I think he's gonna kill us!"

"Hold on, we're coming!"