Muggs and Glimpy, two East Side Kids in the army, return to their neighborhood, supposedly on furlough; actually, Muggs has been honorably discharged with a physical defect, but he tells no one of this.
A group of young men who work at an aviation factory begin to suspect that a doctor who runs an air ambulance service is secretly a spy transporting secret information from the plant to enemy agents.
Muggs is tricked into entering a Civilian Conservation Corps camp by Danny in order to get in shape. Muggs resists and battles with the camp captain and with other campers.
Danny helps to capture a wanted criminal and receives a $200 reward. However, he has a falling out with the gang when they believe he should share the money with them.
The East Side Kids find a young girl in the apartment of a man who has just been murdered. Believing her to be innocent, they hide her in their clubhouse while they try to find the real killer.
The gang is sent to the Wilton Reform School after they are unjustly convicted of stealing a truck. Bill Collins, brother of co-leader Danny, becomes involved in a killing and, while also innocent, is convicted and sentenced to death.
After robbing and murdering his married lover and then making her death look like suicide, conniving philanderer Ronnie Mason relocates to Los Angeles.
Insurance salesman Paul is to be engaged with Louise, the daughter of his boss. Trying to sell insurance to a millionaire he meet the millionaire's daughter Annette whom he fall in love with after complications and funny business.
An agrarian community sometime in the 1700s. The farmer Påvel is married with his young wife Märit and very proud to have married such a young and sweet girl.