Ian Mitchell is a lawyer and father who one day receives a box containing a gun and a picture of a stranger, along with instructions to kill the pictured person. He is subsequently attacked by another stranger, and discovers that he has been chosen by a mysterious organization known as The Watchers to participate in a lethal game.
In the forgotten town of Carp, Texas, Panic is the only way out. Every summer the graduating seniors risk their lives competing in a series of challenges for the chance to win life-changing money. After the death of two players the stakes—and danger—have never been higher.
17-year-old Joshua "J" Cody moves in with his freewheeling relatives in their Southern California beach town after his mother dies of a heroin overdose. Headed by boot-tough matriarch Janine "Smurf" Cody and her right-hand Baz, who runs the business and calls the shots, the clan also consists of Pope, the oldest and most dangerous of the Cody boys; Craig, the tough and fearless middle son; and Deran, the troubled, suspicious "baby" of the family.