The Luck of the Irish (1920)

William Grogan, lives in New York City and meets the outside world only through the little basement window of his plumbing shop. One day he sees and falls in love with a pretty pair of feet, belonging to Ruth Warren, a schoolteacher who is lusted after by Norton Colburton, a dissolute playboy. Ruth is about to marry Colburton, but at the last minute runs away and decides to take a Cook's tour. On the boat, she meets Grogan, who has inherited a fortune, and recognizing the feet, he falls in love with their owner.