A bumbling American soldier saves a girl from a bunch of Cossacks.

While at an amusement park, trying vainly to forget the girl he has lost, a young man sees the girl with her new boyfriend. When her dog gets loose in the park, both suitors have to help her catch it. Then, the girl's uncle, a balloonist, gives her a pass for two in his balloon, provided that her mother approves. She then offers to take along the first of her admirers who is able to get her mother's consent.

After a wild bachelor party, our hero finds himself aboard a sailing vessel where he encounters numerous adventures. In a dream sequence, he fantasizes that the ship is seized by a band of female pirates.

While on the job, delivering a message, Luke finds himself in a girl's seminary.