Marion Ward is the daughter of a woman who conducts a thieves' den. Tom Egan, a criminal, makes Mag Ward's home a rendezvous. Marion, never knowing any other life, does not realize the difference between right and wrong. After an unusually successful haul, Egan resolves to celebrate the event with a wedding. Marion overhears her mother and Egan planning and tells Sandy Murry, another crook, that she will not marry Egan. They escape. Marion finally reaches a picturesque fishing village where she meets Earl Worth, a young fisherman. He takes her to his mother's home. Egan, now a fugitive from justice, reaches the fishing village where he finds Marion. Earl sees her talking to the stranger and believes that she has deceived him. He is downcast and on the verge of denouncing her when detectives appear. They see Marion and by watching her they locate Egan. Egan spies the detectives. He forces Marion into a boat, and a thrilling race ensues. Egan tries to jump into the sea and drag Marion with him. Earl Worth makes a flying leap to Marion's rescue, lands safely, deals Egan a crushing blow and the crook is knocked into the sea where he drowns.
—Moving Picture World synopsis