Vincent Naylor is a professional thief, as confident as he is reckless. Just ten days out of jail, and he's preparing his next robbery. Already, his plan is unravelling. While investigating the murder of a crooked banker, Detective Sergeant Bob Tidey gets a call from an old acquaintance, Maura Coady. The retired nun believes there's something suspicious happening in the Dublin backstreet where she lives alone. Maura's call inadvertently unleashes a storm of violence that will engulf Vincent Naylor and force Tidey to make a deadly choice.