A troubled young woman comes to live with her estranged father on the New York waterfront. A tough sailor falls in love with her, sparking conflict between her father and her suitor. What neither knows is that she has a secret that could cause her to lose both of them.

The last of the impetuous Varicks, Lady Helen Haden is married to Sir Bruce Haden, a brute who treats her shamefully. She falls in love with Ned Thayer, a young American, but refuses to divorce her husband because of the attendant scandal and disgrace. Sir Bruce gains possession of a love letter written to Ned by Lady Helen and divorces her. Ned goes to Africa, and Lady Helen comes to the United States, where she encounters Rudolph Solomon, an art collector who wants her to become his mistress. The noblewoman at first refuses, but when her money runs out, she agrees to the proposal and attends a party at his home. Ned, who has learned of the divorce, comes looking for Helen and meets her at Solomon's party. Lady Helen is so humiliated and ashamed that she rushes from the house and throws herself in front of an automobile.

The popular Caucasian-looking son (Richard Barthelmess) of a wealthy Chinese businessman lives away from his widowed father and passes as white, but experiences prejudice, rejection, insult, and heartache when the socialite (Constance Bennett) he loves learns of his heritage.