A one-handed madman (he lost the hand while escaping a hanging) uses various detachable devices as murder weapons to gain revenge on those he believes have wronged him.
When a cavorting Hollywood writer is killed by the angry husband of a woman he was having an affair with, he comes back as a spirit in the form of a beautiful woman and moves in with his/her best friend as a base operation for enacting sweet revenge.
An innocent man is found guilty of murder and sentenced to death, but as he's about to be hanged he accidentally kills his executioner. He now faces a new trial, presided over by a young and inexperienced judge.