Ralf Milan, a hitman, arrives in Montpellier to kill an important witness. He checks in a hotel without knowing that his neighbour has become neurotic after his wife left him.

A police captain arranges the release of a criminally insane prisoner, who soon winds up dead. When the District Attorney takes on the case, he uncovers corruption in the department…

A number of unexplained military deaths hit Italy and are ruled to be accidental or suicides, but police inspector Giorgio Solmi suspects otherwise. When a mysterious wealthy electrician is seemingly…