Lisa and Julien are married and lead a happy uneventful life with their son Oscar. But their life radically changes one morning, when the police comes to arrest Lisa on murder charges. She's sentenced to 20 years of prison. Convinced of his wife's innocence, Julien decides to act. How far will he be willing to go for her?

Samuel Pierret (Gilles Lellouche) is a nurse who saves the wrong guy -- a thief (Roschdy Zem) whose henchmen take Samuel's pregnant wife (Elena Anaya) hostage to force him to spring their boss from the hospital. A race through the subways and streets of Paris ensues, and the body count rises. Can Samuel evade the cops and the criminal underground and deliver his beloved to safety?