The Great Flamarion

The Great Flamarion is a 1945 American blackandwhite film noir directed by Anthony Mann. The film, like many films noir, is shot in flashback narrative. The film was produced by Republic Pictures.

After Als supposed accidental death, Connie convinces Flamarion to wait three months before the two can marry and flees back to Minnesota. Meanwhile, Connie has already begun a relationship with another performer, Eddie Stephen Barclay. After failing to show up at an arranged meeting place three months later, Flamarion goes into a downward spiral of drinking and gambling. Flamarion eventually finds Connie who informs him that she never loved him and used him to get rid of her husband.

Source: Wikipedia