Desc: Three on a Honeymoon: Directed by James Tinling. With Sally Eilers, Zasu Pitts, Henrietta Crosman, Charles Starrett. This romantic comedy takes place on an ocean liner. One of the few unattached passengers is heiress Joan Foster. Joan finds herself in the arms of the ship's second officer. Little does she know that he has been hired by her father to keep other men away from her.