A Heart's Foul Play (1953)

A man, in need of money and too lazy to work for a living, marries a plain but rich girl in the knowledge that she is ill and has not long to live. Once he is married to her, he comes to love her passionately and cannot bear the thought of losing her. In an effort to save her life, he spends all their money, but to no avail. His wife dies and he is once again penniless. However, he is a changed man.