They woke up in a dark room, tied to each other... Percy Jackson has no idea where he is or how he got there. Everything is a blur, but one thing is crystal clear. Percy has been kidnapped, and now, he's forced to participate in a series of puzzles to survive. Thirteen others join Percy in this sick game of life and death. If they want to live, they have to work together. But, that's easier said than done. After all, everyone holds secrets and everyone wants to escape.