Nina Holliday gets a chance to experience the unconventional situations she puts in her novels. She goes on a yacht cruise with Rupert Elliot, millionaire. Under the influence of drink Elliot makes bold advances and John Prentiss, a sailor, saves her. The yacht catches afire and Prentiss, plunging overboard to rescue the girl, finally gets her ashore on a rocky island. Unknown to them, the others of the party are saved. They write their names and the location of the isle on a piece of paper and place it in a bottle, casting it out to sea. Weeks pass and the strong John Prentiss finds himself in love with the girl. She, also, begins to love the stalwart seaman. Capt. Bruce of Elliot’s yacht discovers the bottle in the hands of fishermen and a relief expedition is started. Prentiss is not to be found when the yacht reaches the island. Elliot refuses to recognize the simple marriage contract, the girl tells him exists between herself and the sailor. He takes her aboard the yacht. Under cover of darkness as the yacht prepares to steam away the girl leaps over the side and swims back to her husband.