A woman (Joan Crawford) is found wandering Los Angeles, unable to say anything other than "David". Admitted to a hospital, she is coaxed into recounting her life.
On trial for murdering his girlfriend, philandering stockbroker Larry Ballentine takes the stand to claim his innocence and describe the actual, but improbable sounding, sequence of events that led to her death.
Wide-eyed and poor young Leonora weds an obsessive millionaire named Ohlrig, but the marriage is loveless. Even worse, Ohlrig seems to have manic, violent tendencies. Eventually, young Leonora escapes her unhappy life and begins working with New York City doctor Larry Quinada, who she soon falls for. Unfortunately, Ohlrig refuses to grant his wife a divorce, and things get even darker for Leonora when she realizes she's pregnant with his child.
Young writer Richard Collier is met on the opening night of his first play by an old lady who begs him to "Come back to me". Mystified, he tries to find out about her, and learns that she is a famous stage actress from the early twentieth century. Becoming more and more obsessed with her, by self-hypnosis he manages to travel back in time—where he meets her.
Happy young married couple Paige and Leo are, well, happy. Then a car accident puts Paige into a life-threatening coma. Upon awakening she has lost the previous five years of memories, including those of her beloved Leo, her wedding, a confusing relationship with her parents, or the ending of her relationship with her ex-fiance. Despite these complications, Leo endeavors to win her heart again and rebuild their marriage.