

Claudia is caught smoking, and her teacher advises Charlie to make a deal with her. The deal is that Claudia won't smoke is Charlie doesn't get involved with her teacher, which he does. Claudia walks on them making out and she starts to smoke. Charlie dumps her, but when she gets back by giving hard tests to Claudia's class, Jody asks her to get them back together. Will has a new girlfriend who is really annoying, and he breaks up with her because Bailey doesn't like her. He regrets and Bailey apologizes in chemistry class. They get back together and Bailey tries to like her for Will. Justin's parents are trying to make them stop having sex, worrying that Julia might get pregnant. Justin's mother is pregnant and Justin worries about his father's affair, so he goes talk to him, and he says that's over.
The arrival of Charlie's old girlfriend, Pamela Rush, interrupts Kirsten and Charlie's wedding plans. She claims that Charlie fathered her four-year-old son, Spencer. After realizing that he wants to take responsibility for Spencer, Pamela takes Charlie's money and runs. Will plays matchmaker for Bailey, who is still grieving over the death of Jill. Justin returns from Europe and Julia learns that he wasn't alone. But she has yet to tell him that she spent her summer getting to know Jill's brother, Griffin.