Ricardo, the milquetoast son of a Mexican bandit, would rather lead a quiet life in Boston. But the family would rather that he follow in his father's footsteps and become "The Kissing Bandit".
Stephanie and Terry are identical twins who have been raised separately since their parents divorced seven years earlier. Each envies the lifestyle of the other; and they decide, without telling Jeff or Mary, to switch families for a day or two. They soon find that it is harder to do what the other person is expected to do, and that looking alike is not enough. When they find that their charade may bring their parents back together, they agree to continue it. A major complication begins when Alice, Jeff's girlfriend and co-worker, finds out the real story.
At the Dimsdale Hall Finishing School, Assistant Dean Emily Godsall declares that any student who associates herself with swing music will be severely punished. Complications develop when she finds out that her boyfriend, a chemistry professor at the school, is also a well-known swing bandleader.
Mary and Larry are are a modestly successful skating team. Shortly after their marriage, Mary gets a picture contract, while Larry is sitting at home, out of work.
