William Dougal is a respectable private detective, a hardworking citizen and a responsible father - and now he's also a killer. After a violent squabble takes a dangerous turn, Dougal decides to shun the police and instead take things into his own hands. He accepts the assistance of his old rival and current employer, Hanbury, to dispose of the corpse. But Dougal quickly finds that help doesn't come cheap. In fact, it's often more trouble - and danger - than it's worth ...