An investment banker, convicted of securities fraud, avoids jail time by agreeing to community service: teaching math at Winslow High. A sexy and eccentric woman smashes into Guber's car and then crashes her way into his life.

A student discovers Harper and Marilyn have been secretly dating and threatens to go to the school board; Hanson and Claire try to assist a student who is having trouble with his dad.

An overachieving student sues the school when she has to share presidency of the honor society with a black student in a wheelchair; Marlo begins her in-vitro process.

Ronnie catches a male teacher hugging a female student; Hanson worries that he may be a control freak following an incident in his Drivers' Education class; several students are caught photographing themselves nude with only words written across their bodies.