Houseboat.

Tom Winters (Grant) has been estranged from his wife and their three children, David (Petersen), Elizabeth (Gibson), and Robert (Herbert) The film begins as he returns home from Europe shortly after his wife's death. The children resent their father, and, at an outdoor concert, Robert runs away. He is found by Cinzia Zaccardi (Loren) and is enchanted by little "Roberto" and his harmonica. Tom offers her a job as a maid, unaware she is the daughter of a famous Italian orchestra conductor.