"Defiance" is a The Secret Life of the American Teenager episode from season four.
Synopsis
Most of the teens are attending summer school. An argument breaks out between Madison, Lauren, and Amy, when Madison refers to John as a mistake and Amy's fashion accessory. Ben tells Amy to shut up. This amuses Adrian, who thanks Ben for being thoughtful, and reveals that she was waiting for someone to say that for years.
Ben and Alice aren't speaking to Henry. Ben is at summer school because his dad caught him with pot. He's forced to go to school with a driver who's also acting as his babysitter. Ben is happy to see Dylan, and by the looks of the promo, they start dating and Leo claims that Dylan is a trouble maker and that she's not the girl for him.
Grace got kicked out of med camp so she attends summer school instead. She may begin living with Adrian in this episode.
Ricky's former foster brother Ethan steals condoms from the nurse's office, and Amy has to become involved.