Alexandra Campbell's life comes to a crashing halt the night her younger sister is killed during a convenience store robbery. Shattered by guilt, Alex distances herself from her friends and family. Months later, with the police investigation stalled, she fears justice may never be served.

Determined to avenge her sister's murder, Alex disguises herself and joins the gang responsible for the shooting. To identify the one who pulled the trigger, she must put her own life at risk in a world of dangerous criminals. But the longer she plays her new game, the more the lines blur between loyalty and betrayal.