The Lady Forgets (1989)

"She lost her memory... Now she just might lose her life!"

After being mugged and taking trauma to her head, Rebecca returns home to discover that she's suffered amnesia and has lost the last two years of her life. She is haunted by dreams of a violent event and starts to remember what transpired prior to her memory loss. Rebecca frantically tries to piece together her missing past, but as the memories come into focus, it increasingly jeopardizes her safety.