Ruthie gets detention when she is late for class after crying about Martin in the bathroom. Unexpectedly, she finds detention is a blast when the teacher in charge introduces them to the music of George Gershwin. With the music program being cut at the high school, students begin purposely landing in detention so they can discuss music.

Meanwhile, The Camdens rally to help a friend of Ruthie's, who is hiding a secret, and Rose pressures Simon to pick their wedding song. Finally, Ruthie is upset when Simon informs her that Martin is attempting to care for Sandy and the baby.