A detective investigating kidnapping case discovers the victim, who may be a zombie.
A man is brought back from death at the same time a vicious criminal dies in the electric chair. However, the man's soul is now taken over by the electrocuted gangster, who embarks on a vengeful crime wave.
The relatives of a rich old woman unsuccessfully try to have her declared insane, so they can divide up her money. To show them that there are no hard feelings, she invites them to her estate for the weekend so she can decide to whom she actually will leave her money when she dies. Soon, however, family members begin turning up dead.
