Whose Wife? (1917)

Mary Melville marries rich playboy Claude Varden to please her invalid mother. On the night they are to depart for a South American honeymoon, Mary's mother becomes seriously ill and Mary decides to stay home and taker care of her. Varden goes on the trip anyway, as he owns some mines in South America. However, Tom Nelson, the husband one of the many married women Varden has had affairs with in the past, is stalking him and follows him on board the ship. On the ship Varden meets the beautiful and rich Nitra Ruiz and her brother Ramon. Deciding that he doesn't want to be married to Mary anymore, he proposes to Nitra. However, his plans don't quite work out the way he had wanted them to.