After discovering the disappearance of several household items, Marcus, a thirteen-year-old latchkey child, suspects that a stranger may be prowling around inside his house while he's at school and his mother is at work.
When he offends the toughest gang in his San Francisco school, Danny tries to elude them by going to Alcatraz only to find himself and a Park Service employee trapped by the gang in an old prison cell block.
When teenagers in a California coastal community challenge each other to "jump the Nail"--Leap from dangerous cliffs into the ocean--group pressure and manipulative relationships quickly drive the game out of control.