Everyone has returned from summer vacation, and George tells Anne a big revelation.

Adrian makes an attempt to get George and Anne reconciled, but only for her own selfish reasons.

Amy attempts to keep Ben's attention. Meanwhile, Grace makes an impression on Adrian.

George gives Ricky and Ben some much needed advice. Ricky and Adrienne go to couples therapy and Adrienne shares a very personal story explaining why she wants commitment so badly. Grace continues to argue with her mom over dating so soon and decides she isn't ready for a serious relationship herself. When Anne goes into labor they come to the conclusion that they won't make it to the hospital in time so George, Amy, and Ashley are forced to deliver the baby at home. Adrienne and Ricky spend the night together and Ricky finally says the words Adrienne has been waiting to hear. Meanwhile, back at the Jeurgens household George comes to a shocking discovery about the baby.

Anne encounters an old flame causing Amy to be attracted to his son.

Relationships are on edge, with Ben and Amy dealing with their own relationship drama, as well as Adrian and Ricky and Grace and Jack.

Grace's love of self-love comes out at school in the form of a campaign called "Just Say Me". Which has girls all across school abandoning sex with guys in favor of a more personal activity that has the same end result.

Meanwhile, Adrian's own campaign of trying to be Amy's friend bears fruit when Amy invites her over for a visit.

Amy goes on a date with Jimmy. Meanwhile, Ashley pursuades George to vist Anne to rekindle their relationship, and Griffin sends his cousin Grant to get to know Ashley. Ben visits Grace and tells her that he wants to be friends, and as he leaves, they kiss. At the same time, Amy and Jimmy kiss. After George knocks on Anne's appartment door, Josh answers and explains Anne is with Mimsy and might come back home. While Ricky encourages Amy not to get caught up with Ben and Grace, Adrain's parents tell her they will get married, therefore causing her mom not to take the job offer in New York. Anne tells Ashely that she doesn't think it would be good for her to return home.