During a tempestuous storm, a lighthouse keeper finds an infant girl who washes ashore tied to some wreckage. He adopts her and they become inseparable. Eventually her real family finds her and wants her to live with them.

Max is determined to woo Mary, despite her Aunt Agatha's disapproval. Then, Max and Mary become embroiled in the world of Madam Coralie, a prominent dressmaker-bootlegger.