Ghost (1990)

Sam and Molly are married and deeply in love, they are happy until Sam is brutally murdered. Molly is devastated and Sam becomes a wandering soul trying to protect her and communicate with her to avenge her death. Then Sam meets Oda, a psychic with whom he manages to communicate and uses as a medium to reach Molly. "Gosth" is a quintessential romantic classic that makes us believe in a love that transcends all planes. This beautifully sad story stars Patrick Swayze, Demi Moore, and Whoopi Goldberg.