Dan Stover is the captain of a harbor tug whose task is to keep ships away from a dangerous bar, lies to his wife Ellen about the nature of his work, saying that he remains in the harbor. One night, Stover is sent to rescue a ship on the harbor bar. He leaves without telling his wife; she awakens during a terrific storm and delivers a stillborn child. Stover's boss, a former sweetheart of Mrs. Stover's, encourages her to believe that Stover has been unfaithful, implicating Madge Barlow, the fiancée of Dan's mate, a boy who lost his life at sea. Believing the rumor, Ellen leaves on the next passenger ship just as Madge dies and Stover is bringing her baby home. The ship crashes on the harbor bar, Dan goes to the rescue, he admits the truth about his job, and they find happiness with the adopted baby.