Gettin' Square is about starting over, keeping clean and going straight. Barry Wirth is fresh out of prison and determined to stay on the straight and narrow. But like his mate Johnny 'Spit' Spiteri and reformed gangster turned restaurateur Dabba, he finds out the hard way that there are old scores and a few new ones that'll make getting square a lot harder than he thought.
After a misunderstanding aboard an airplane that escalates out of control, the mild-mannered Dave Buznik is ordered by Judge Daniels to attend anger management sessions run by Doctor Buddy Rydell, which are filled with highly eccentric and volatile men and women.
Two lost souls visiting Tokyo -- the young, neglected wife of a photographer and a washed-up movie star shooting a TV commercial -- find an odd solace and pensive freedom to be real in each other's company, away from their lives in America.
Fired from his band and hard up for cash, guitarist and vocalist Dewey Finn finagles his way into a job as a fourth-grade substitute teacher at a private school, where he secretly begins teaching his students the finer points of rock 'n' roll.