Farewell, My Lovely (1975)

""I need another drink... I need a lot of life insurance... I need a vacation.... and all I've got is a coat, a hat, and a gun!""

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.