When a scheming fortune hunter finds his rich wife is not going to die as expected, he and his lover make other plans to get her millions.

Albert Dekker plays a investment agent who embezzles a large sum from an estate, hoping to cover his crime by marrying the estate's heiress. The girl is already engaged, so Dekker arranges to have the fiance killed. A mix up involving the society section of the newspaper places Dekker in the sights of his own hired gun.

A murderer enriches his finances by marrying and then killing off a series of wealthy women.

A wealthy business man discovers he has a brain tumor and seeks medical help. The business man finds a scientist experimenting with transplanting monkey heads on different monkey bodies. The business man decides to steal the head of Nostradamus from the prophet's crypt.

A down-on-her-luck San Francisco woman, turning in desperation to jewel robbery, barely escapes getting nabbed in a heist and moves to Los Angeles where she gets an honest job as a waitress. Her troubles start again, however, when she falls madly in love, blind to the fact that her boyfriend is a four-flushing, small-time con man.