Brewster, an aging minor-league baseball player, stands to inherit 300 million dollars if he can successfully spend 30 million dollars in 30 days without anything to show for it, and without telling anyone what he's up to... A task that's a lot harder than it sounds!
A Major noted for advancing with his mouth before thinking is given a choice: to be drummed out of the Army, or take command of and shape up the ROTC program at Sheridan Academy before it fails its next inspection. At Sheridan he encounters three hundred pre-teen cadets who range from rascally to adorable, and a female doctor who has just the right prescription for him.
With his family away for their annual summer holiday, a publishing executive decides to live a bachelor's life. The beautiful but ditzy blonde from the apartment above catches his eye and they soon start spending time together—maybe a little too much time!
Coop's an ex-ballplayer is now a peanut vendor, who takes too much of an interest in the game. But he's passed on his craze for baseball to his son, Christie. When his dad gets fired, Chris makes friends with the former team owner's niece (and her boyfriend Pete), and not only gets his dad's job back, but a batboy position for himself. With his dad's help, Christie begins to make a few suggestions here and there. And as a publicity stunt, the team makes him their youngest manager on record. But when Chris gets sick, Coop has to come to the rescue.
