The Memory of Eva Ryker (1980)

For thirty years Eva Ryker has been fighting a cruel and clever enemy. The enemy is her own mind and it holds the clue to murder and millions.

A young woman has spent her life tormented by the death of her mother, who was on a ship torpedoed during World War II. When her father hires an investigator to look into the circumstances of the mother's death 30 years prior, it triggers a new rash of emotional turmoil for the young woman and uncovers a heinous crime.