Lady in the Lake. Poster of the 1946 movie and cover of the 1943 book, The Lady in the Lake
VS3
The Lady in the Lake
Raymond Chandler, 1943
movie vs book
Robert Montgomery, 1946

A publisher hires Phillip Marlowe to track down his wife, who is rumored to have fled to Mexico. But as soon as someone is killed, the matter gets considerably more complicated. The private investigator gets entangled in a murder soon after.