When her first marriage ends in tragedy, Jackie Kennedy fears she'll never love again. But all that changes when she encounters Aris. Successful and charming, Ari Onassis is a man who promises her the world. Yet soon after they marry, Jackie learns that his heart also belongs to another. Beautiful, famed singer, Maria Callas is in love with Jackie's new husband - and she isn't going to give up. Little by little, Jackie and Maria's lives begin to tangle...