The story of Dr. Charles Randolph, a scientist dedicated to deciphering the secrets of life and death. Aided by assistant David Cochran, Charles conducts experiments that have horrifying side effects. Charles's lonely wife, Elaine, is frightened by his work, and in order to protect her, housekeeper Maria unleashes a torrent of voodoo that wrecks havoc.

An ambitious shoe salesman, Harold, unknowingly meets the boss' daughter and tells her he is a leather tycoon. The rest of the film he spends hiding his true circumstances, in the store and later on a ship. Trying to deliver a letter, he later finds himself dangling high above the street on a building's scaffolding.

When a gambler is accused of murder, the pretty orphanage employee he loves sets out to prove him innocent of the crime.

Ruth Earlton has come home to her ancestral mansion to claim her inheritance. Accompanied by her boyfriend, she discovers that her father died suddenly under suspicious circumstances. Now it's her turn, as her deranged and relentless uncle targets her for death with the help of his wife and son, plus a very unhappy ape.