Aiden and Meg Falconer must escape from a juvenile detention center in order to prove their parents innocent of charges which would put them in jail for life.
Aiden Falconer and FBI Agent Harris struggle to find Aiden's kidnapped sister, Meg, as she tries to escape her abductors--a situation that endangers both Meg's and Aiden's lives.
Attempts to find the kidnapped Meg Falconer by her brother Aiden, her parents, and the FBI, are hindered by Meg's efforts to save herself by running away from her captors.
Four adolescents interning as research divers for the summer find themselves searching for a centuries-old treasure and fending off killer sharks. Interweaves their story with that of Samuel Higgins, a boy who died in a shipwreck in the same waters in 1665.
Diving interns Kaz, Dante, Adriana, and Star take desperate measures to reclaim the sunken treasure that has been stolen away from them by their supervisor Tad Cutter.