To reach freedom at Darkwater Reformatory, Tria and her friends must complete the Reformatory Challenge, a series of dangerous trials that take place in the magical, ever-changing catacombs located beneath Darkwater Prison. With her are Brodin, a hot guy with secrets. Her roommate, Jacey, a fierce friend whose loyalty will be tested. And Akimi, a tree nymph with her own agenda. But working together to complete each Challenge isn't the only trial they face. They're also being hunted...