Private eye Philip Marlowe is hired by ex-con Moose Malloy to find his girlfriend, a former lounge dancer. While also investigating the murder of a client and the theft of a jade necklace, Marlowe becomes entangled with seductress Helen Grayle and discovers a web of dark secrets that are better left hidden.

Adolf Hitler is hiding out in California under the identity of Adolf Schwartz; however, he is soon murdered by a mysterious assailant. This coincides with the arrival of a mysterious woman in a nearby town. Whatever the case might be, nobody seems interested in investigating the crime, but there are many who are interested in her.

Ilsa works for an Arab sheik who enjoys importing females to use as sex slaves.