La bionda Banda sonora (1993) BSO

A young shy man (Tommaso) runs down a blond girl (Christine) with his car. Next day he finds her waiting for him at his apartment door. She asks him for help, as she has amnesia and can't remember anything. The little patient Tommaso tries to help her and after a while he falls in love, but suddenly she remembers her past life as a drug dealer's lover and leaves him.