Brooke, a former nurse, has just landed a job at the prison where her high school sweetheart, Shane, is an inmate. Years ago, Shane was convicted of a brutal crime, and Brooke has spent years trying to forget him. But when she takes the position and strange events begin to occur, she starts to question whether Shane was wrongly convicted. As Brooke digs into the truth, she becomes entangled in a dangerous game where trust is scarce and the stakes are life and death.