When Hamilton High’s Prom Queen of 1957, Mary Lou Maloney is killed by her jilted boyfriend, she comes back for revenge thirty years later.

An accountant beleaguered by personal and professional problems gets involved with a femme fatale and her mysterious psychiatrist.

Mr. Miyagi decides to take Julie, a troubled teenager, under his wing after he learns that she blames herself for her parents' demise and struggles to adjust with her grandmother and fellow pupils.