Guber's speech team star has an issue, Russell decides on a college, while mixed signals rattle Colin as his affair comes to a close.

Kimberly is stalked by one of her students; Lipschultz celebrates Valentine's Day with Guber's mother.

Aisha's ailing father leaves a song manuscript in her possession, and she writes lyrics for the melody.

Hanson asks Claire to marry him; a student uses rap music to critique Shakespeare; a producer pushes Aisha to sign a record deal; Lifehouse performs at Doyle's Bar.

A female student files a serious sexual-harassment charge against Danny; a classroom debate over the U.S. involvement in Iraq turns violent; the tension between Harper and Guber over Marylin reaches the boiling point.

An enraged student slaps Marla's face in front of the class, and Marla slaps her back; Hanson discovers Allison behaves like a bully at school; Carmen asks Harper to remove Jake from her class.

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.

Guber contends with a student who thinks he is Jesus and is using school funds to feed the homeless; Marla mistakenly books R.E.M. for a school fund-raiser.

A former student of Winslow High dies in Iraq while serving the U.S. Army. Principal Harper receives a letter from the deceased student which brings back old memories back to the days when he took care of him and pulled him away from a life in the gutter. Danny Hanson struggles with a student in his class who's been hacking into the school's computer base; finding out about the teachers' private lives and upcoming tests.

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.