The Big Sleep (1946) starring Humphrey Bogart & Lauren Bacall

The Big Sleep is a hardboiled crime novel by American-British writer Raymond Chandler, the first to feature the detective, Philip Marlowe. In the Big Sleep, LA private eye Philip Marlowe (Bogart) takes on a blackmail case... and follows a trail peopled with murderers, pornographers, nightclub rogues, the spoiled rich and more