The Second Woman (1951)

Directed by James V. Kern. The story revolves around Ellen Foster, who becomes engaged to a wealthy man named Jeff Cohalan. However, Ellen begins to suspect that Jeff's affection for her is overshadowed by his lingering grief for his deceased wife, who died under mysterious circumstances in a boating accident. As Ellen delves deeper into the past, she uncovers unsettling similarities between herself and Jeff's deceased wife.