George bonds with Amy and Ashley. Elsewhere, Tom hires a "friend" for the night, and Lauren is caught kissing Ricky.

Amy copes with the rigors of motherhood while Anne adjusts to the news that she is pregnant. Elsewhere, a tragedy takes place just as Jack and Grace's relationship intensifies.

Grace is struggling with what has happened, whilst Ben wonders what part he plays in Amy's new life.

When Grace begins to pull away from everyone, Ricky takes it upon himself to try to help her out.

Amy is having trouble copy with her hectic lifestyle now that she has school and a baby to look after. Ben begins to decide how he will be spending his summer break.

Amy tells her mother that she will go to Italy with Ben, while Ashley delivers the message that Anne and David are engaged. Grace tells Tom and Adrian that George told her that he lied about the vasectomy, and the secret flies around the school, only to arrive at Amy, who asks Ashley if George told the truth. Meanwhile, when Ricky asks Leo for a raise, Leo gives Ricky the apartment above the butchershop and the raise, and David asks Anne to move into their own home.

Amy refuses to let Ben come over to say goodbye to her and John for the summer, but instead allows Ricky to take John to his new appartment. Marc Molina, the school guidance counselor, resigns at the end of the school year, while Anne starts pushing the divorce after she decides to accept David's marriage proposal. At the same time, Ashley reaches a breaking point urging George to tell Anne that the baby is his and Grace gets accepted into a medical school for the summer. Upon packing, Ben confronts Leo about Betty, but Leo reassures Ben that he trusts her. Meanwhile, Ricky is at Amy's house picking up John for the night, and Ben comes over to say goodbye to Amy. Ricky walks in on Ben and Amy kissing, but Ben gets angry and leaves.

Adrian and Amy's fighting escalates and Ricky intervenes.

Amy is jealous when Ashley gets her own room in the garage, while Ricky pursues Adrian but she claims to have moved on.

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.

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.

Amy visits Jimmy to learn why he never called her; Adrian makes a confession to Ricky.

Ricky takes time to track down his biological mother and confront her about his abusive childhood. Elsewhere, George wants to modernize his look by getting a makeover. Things are still tense between Adrian and Grace, and Jack breaks up with Madison after learning something about her. Also, Amy has a meltdown after a run-in with Ben, who is still trying to decide if he really wants her back.

Mimsy returns, and a wedding is held.

Ben thinks Adrian is lying about being pregnant and doesn't act like himself. Elsewhere, Jack finds out his family is moving and thinks about not moving with. Also, Ashley has a talk with her doctor about birth control.

Ben decides to try his hardest to keep his secret from Amy and cut himself off from Adrian, but things become complicated when his father tells Adrian's father about the pregnancy. Meanwhile, Amy is pleasantly surprised to find that her family and friends are pushing for her to attend the music program in New York. Also, George and Anne continue to argue, specifically about some of Ashley's most recent decisions.

Adrian meets Ricky's mom at the clinic and admits to her that she does not want to be a teenage mother but after talking, she has a change of heart and tells Ben that she will not go through with the abortion. When Ricky gets a call from Amy, he hangs up and Ashley receives a text message from Adrian, saying that she will have the baby. Ashley, therefore, tells Anne and George, and also attempts to convince her parents to withhold the information from Amy until after Ben tells her. When Ben and Adrian visit Grace to tell her the news, Tom overhears the conversation and relays it to Jack. Ben and Jack both tell Madison about Adrian's decision, and she attempts to tell Ben to tell Amy before anyone else does.

Ben and Adrian are thinking about engagement but both have Ricky and Amy in mind when making their decisions while Amy's parents tell her that they plan to remarry. In New York, Amy's fellow teenage mothers take her out for her birthday.

Amy calls Ricky to let him know she's angry that everybody, including her parents, have forgotten her birthday. Meanwhile, Adrian has a medical scare with her pregnancy, which leads to some problems with Ben, and Grace's relationship with Grant heats up. Madison's father finds out some unsettling information about his daughter's sex life with Jack, and as Leo gets angrier with Ben, he gains some perspective on his own marriage.

Ashley tries to persuade Ricky to have sex with her and Amy takes a stance against her actions. Anne questions whether George actually wants to get married, contrary to his original claims, and suggests that they finally spit up without hurting their children. Elsewhere, Adrian believes that Ricky is just using Amy for sex and Grace wonders if Adrian is considering marriage. Meanwhile, Amy goes out with Ricky; and Grace and Grant prepare for camp.

Amy wants Ricky to get tested for various STDs, after she sees him talking to someone he used to date. Ben and Adrian's baby's gender is revealed. Amy considers having sex with Ricky.

Ricky finds out that his mother is dating a woman, Ashley's homeschooling isn't going very well, and Ben asks Ruben and Cindy a question.

Both Amy and Ricky feel under pressure now that Ben has proposed to Adrian, which causes Amy to suggest taking their relationship to the next level. Ben suggests an alternative to a big wedding to Adrian, and Lauren's mother and step-father are having problems.

Adrian makes plans to come back to school a week after the birth of the baby in order to stay on track for graduation. Adrian and Ben both have misgivings before the wedding, and Ricky realizes that romancing Amy may be more effective than pressuring her for sex.

Betty applies her own brand of comfort for Adrian's mourning. Ashley decides to go ahead with her cross-country road trip.

There's an emergency with John resulting in Ricky & Amy taking him to the ER. Grace meets a new guy named Daniel. Adrian wants Ben to tell her how he really feels.

Adrian has a new goal in mind.

Mid-Season Finale: A marriage is on the rocks. The wife is going to college and files for divorce -- and it's not Adrian. The seniors prepare for graduation.

Amy is increasingly short with everyone in her life, including Ricky, leaving him wondering what is going on with her, but he is not prepared when she reveals that she might be pregnant again. Ben, determined to get permission from Dylan's parents to see her, makes another attempt to win them over, but it doesn't turn out quite like he hoped when he ends up sharing too much information about his family. Grace is unsure how to react to her mother's shocking news about the secret her father kept from everyone and turns to Jack for support. And, Anne's evening with Nora raises questions for George.

Dylan and her pals surprise Ben at school, while Grace doesn't want Jacob attending school with her. Elsewhere, Kathleen tries to understand her late husband's secrets; and an overburdened Amy acts ornery at home with Ricky.

Ben and Dylan go on their first real date together. Elsewhere, Tom runs into problems with police.

A desperate Kathleen resorts to bribery to get Grace to talk to Jacob. Elsewhere, Dylan attempts to befriend Adrian.

Amy learns she's doing poorly in summer school, so her dad tutors her and provides her with some life advice.

Amy's mistaken about why she's the focus of gossip, and Grace grows jealous of her. Elsewhere, Ashley and her mom return from traveling abroad; and Ben asks his father to let him enroll in Dylan's school.

Jack remains in the hospital; Ricky discusses the wedding with George.