Mae David, Americanwr ifanc ym Mharis yn y 50au, yn aros i’w ddyweddi ddychwelyd o wyliau yn Sbaen. Ond pan fydd yn cyfarfod â Giovanni, dyn Eidalaidd golygus, mae’r ddau ddyn yn cychwyn affêr. Ond mae penderfyniadau heddiw yn creu trasiedi fory.

David, a young American in 1950s Paris, is waiting for his fiancée to return from vacation in Spain. But when he meets Giovanni, a handsome Italian barman, the two men are drawn into an intense affair. After three months David’s fiancée returns and, denying his true nature, he rejects Giovanni for a ‘safe’ future as a married man. His decision eventually brings tragedy.