Beautiful Yet Deadly

It was just a normal day for Juliette., she was shopping in a store with her friend for Halloween costumes when an earthquake hits the town. Actually, it wasn't the town, but the store. Just that store. If you stepped outside, the earthquake wasn't there. The floor began to crack, and then, gave way. Juliette and everyone else in the store fell through the collapsed floor and fell. They fell for a long time until they hit the water, but the strange thing about this falling was that they were falling down, but when they hit the water, it was like the fell UP into the water. Now Juliette and many other people emerge to the surface of the water to find, there not in there world anymore. This place was beautiful but deadly. While people panic, a low rumble begins again and a glow of light. A person appears in front of them all and calms them down for only a short time. The person tells them if they want to return home they must complete this... Lets call it a 'game', first. Is it possible to survive such a deadly world? Is it possible to get home again? WILL they want to return home after this experience? Find out.