I tried to start the engine but it seems we've run out of fuel. We were in the middle of the open sea. "Are we chilled out yet?" Emma asked me sarcastically. "So we're floating, it's not sinking," I said. "Not yet," Emma said.

"I think we're out of fuel," I said and then I looked at a Island. "Feel like paddling to that island?" I asked as I pointed to the island. "Mako Island? Forget it," Emma said. "No one goes there, it's surrounded by sharks ... and reefs ... and mangroves," Cleo said.

"Yeah, well, it's all we've got," I said as I picked one of the paddles from beside me and handed it to Emma. She finally gave in ad helped me paddle as fast as we could towards Mako Island.

... ...

After a while, we came to the Island and the three of us carried the boat to shore. Then I leaned over the boat as Cleo looked out to the sea. "How are we ever gonna get back home?" She whined, standing beside Emma, who crossed her arms. "Good question, Cleo," Emma said and turned to my direction. "Ask your friend."

"Hey, don't blame this on me," I said, narrowing my eyes at her. "Oh, it was someone else's fault. Someone else took this thing miles off shore," She said.

I rolled my eyes as Emma grabbed something out of her bag. "You're two lucky I have this," She said as she pulled out her call phone.

"Emma's always really prepared," Cleo told me with a smile. "I'm so happy for her," I said sarcastically and Emma looked at me and rolled her eyes. "I'm not getting any signal, we should try at higher ground," She said and then started to walk off with Cleo following behind her. I sighed before following them.

... ...

We were still walking through the forest. "Do you have any idea where you're going?" I asked Emma. "Just up. I'm still not getting signal," She said. "Maybe we won't get a signal?" Cleo asked. "What then? What if we can't call anyone? What if nobody will find us?"

Emma stopped and so did Cleo. "We'll have to draw straws and decide which one of us the other will eat," I joked and stopped behind Cleo.

"That's not funny!" Emma snapped. "I'm relieving the tension," I said. "You're making it worse," Cleo said to me and I rolled my eyes. "Come on," Emma said to us and started to walk again, with Cleo and I following her.

After a few minutes, we walked up a steep hill and came up to two ledges' opposite each other. But in between the two rock ledges was a stream going down the mountain. "Mind your steps," Emma said and then she jumped to the opposite ledge.

I looked at Cleo and saw she wasn't moving and she looked at me. "I can't do this, it's too slippery," She said to me, shaking her head and looked around. "There's gotta be another way."

I sighed. "C'mon, I'll jump with you," I said and hold out my hand for her. After a moment she nodded slowly but hesitated. She grabbed my hand but just when we were about jump, we slipped on one of the wet rocks and we screamed as we slide without stopping.

"Cleo! Jessica!" I heard Emma's voice. I groaned and sat up. I looked around and noticed that me and Cleo fall into some kind of darkened cave. I looked at my side and saw Cleo started to sit up. "Cleo! Jessica!"

"You okay?" I asked Cleo and she nodded but she clutched her ankle. i turned back tot the opening of which we had fallen from. "We're fine!" I said.

"Can you climb up?" Emma called back. "No," Cleo said. "Are you sure? come on just try," Emma insisted. "It's too steep. The fall hurt Cleo's ankle so there's no way to get up!" I said.

Cleo and I sat next to each other and we jumped in shock when we heard Emma's scream coming from the tunnel. Emma slid out form it, nearly landing on me and Cleo as she did. When Emma got down to the bottom, she instantly surveyed the cave. Then she turned to us. "Are you guys okay?" She asked, looking between me and Cleo.

Cleo shook her head slightly. "My leg hurt a little," She said. "It's should be fine soon," Emma said and then looked at me. "Are you okay, Jessica?" She asked. "Yeah," I said. "Let's find a way to get out of here." Emma and Cleo agreed and me and Emma helped Cleo up to her feet.

"Over here," Emma said, pointing to a small doorway that lead up. "This must lead somewhere," Emma said, looking between me and Cleo. I nodded, "Let's go." Me and Cleo followed Emma up the stairway.

As we walked up the stairs we noticed a shimmer cross the wall like there was water nearby. We walked into another large caved room. We stopped when we walked in; There was a beautiful pool of water under a large hole at the top of the cave.

"Wow, this is like a cone of a volcano," I said. "It's not going to erupt, is it?" Cleo asked. "It's been dormant for 20 thousand years, I think we're safe," Emma said and Cleo nodded.

I looked on the blue tinted pool of water as I kneeled down. I looked up at the opening of the pool and frowned. Are those tidal rings? I thought to myself.

I looked at Emma and Cleo. "Hey," I said and got the attention. "Are those tidal rings?" I asked, pointing to the pool entrance. Emma looked at where I was pointing and she smiled. "They are, they're tidal rings," She agreed, nodding before bending down beside me to take off her shoes.

"Um ... What's that mean?" Cleo asked. "It means it's connected to the ocean, there might be a way out," Emma explained to her. With that she stood up, walking onto un underwater ledge and diving into the middle of the pool. Cleo kneeled down beside me. "I'm not going to like this," She said.

Cleo and I were still sitting on the floor, waiting for Emma to come back. Cleo was tapping her fingers nervously on her leg while I was pulling my legs inwards towards me. "Emma! Emma!" Cleo called.

"Don't worry, just give her a minute," I said and then, there was a figure swimming back under it. As Emma gasped backup for breath, Cleo and I saw that she had a smile. "Jessica was right," She said, swimming towards us slightly. "It's about a 20 seconds swim to the reef outside, plenty of room, we can all fit there."

I smiled and started to take off my shoes. "Through there? No way," Cleo said. I looked at her, frowning. "Cleo, there's no other way out," I said. "You can do it." Cleo shrugged helplessly. "I can't do it, and besides," She said. "I can't swim."