Ireland, 1922. In the midst of a national uprising, Catherine, a young orphan employed in household chores, goes in search of her brother whom she has heard in a dream calling for help.

Raven, a mobster just released from prison, settles the score by murdering Mendetta and her partner, who had turned him in. Having taken over Mendetta's various bars, he finds himself at war with other mobsters who want to kill him.

Celestin works as an organist at a girl's school. By day, Celestin is the meek and mild target of the girls' incessant practical jokes. By night, however, he is the celebrated composer of popular operas -- and the romantic vis-à-vis of a celebrated stage star. When schoolgirl Denise stumbles onto Celestin's secret, she threatens to tell all -- but only if Celestin refuses to escort her to the opening night of his latest opera. As a result, Denise falls in love with a handsome young soldier, while Celestin is accidentally shipped off to an army camp. A series of silly coincidences brings happiness to all concerned by fade-out time.