Two children are abducted on their way home from school and are still missing after several weeks - no one knows whether they are alive or dead. The police are certain that ruthless local gangster Vince Formosa is behind the kidnapping, but have no proof. Forced to resign following an accidental death in police custody, former Detective Inspector Sep Black knows he's been set up. But how can he prove it? Convinced that Formosa has a mole within the police, Black sets out to expose the traitor and clear his name. He must go undercover and find the missing children...