Ghost (1990)

Sam Wheat is a banker, Molly Jensen is an artist, and the two are madly in love. However, when Sam is murdered by friend and corrupt business partner Carl Bruner over a shady business deal, he is left to roam the Earth as a powerless spirit. When he learns of Carl's betrayal, Sam must seek the help of psychic Oda Mae Brown to set things right and protect Molly from Carl and his goons.