Muggs' rich Uncle Pete is coming to visit. Unfortunately, Muggs' late father had bragged that he had seven kids, so Muggs recruits the members of the gang to pose as his family. Things turn sour, however, when a local mobster finds out about Muggs' deception and threatens to expose it.

A gang of tough street kids decide to go straight and get jobs in order to free draft-age men for the war effort. However, because of their past tangles with the law, they can't find anybody who'll hire them. Finally one of them gets a job at the department store where his sister works, but runs afoul of a store executive who is in league with a ring of hijackers.

Susan Applegate, tired of New York after one year and twenty-five jobs, decides to return to her home town in Iowa. Discovering she hasn't enough money for the train fare, Susan disguises herself as a twelve-year-old and travels for half the price. Caught out by the conductors, she hides in the compartment of Major Philip Kirby, a military school instructor who takes the "child" under his wing.

A reporter runs from charges by a corrupt politician only to face them years later.

When private tutor Thomas Arnold (Sir Cedric Hardwicke) becomes headmaster at Rugby, a boy's preparatory school in England, he puts into place a policy of strict punishment for unruliness and bulying. Arnold finds an ally in Tom Brown (Jimmy Lydon), a new student who is subjected to hazing and abuse by a group of older boys and is pressured by his friends to keep quiet about it. Fed up, he leads his fellow classmates in an underground rebellion against their tormentors. But certain unspoken rules still apply at the school and Brown loses his hero status when he is accussed of breaking the Rugby code of silence.

Spoiled child Geoffrey Bramer teams up with a pair of small time crooks to pose as an aristocrat and steal jewelry from exclusive shops. During a a caper, Geoffrey is caught and is sentenced to a reformatory where young men are trained to be sailors. He is befriended by model in-mate Terry O'Mulvaney but soon starts to get them both in trouble.