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.

After agonizing over the situation for far too long, Ben travels to New York so he can tell Amy about the baby before she hears it from someone else. Also, Ricky spends some time with his biological mother, who is 24 hours away from serving a jail sentence. Adrian spills the beans at school about her pregnancy in an unusual way, and Ashley thinks she might be in love with the wrong person.

While, Grace tries to find a boyfriend for Griffin, Ashley now has feelings for both Grant and Ricky.

Ricky goes to visit Amy in New York. Meanwhile, Ben goes with Adrian to a sonogram appointment. Jack is torn between letting Madison sleep over and Grace continues to build her relationship with Grant.

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.

As Grant and Grace grow, Amy and Ricky try to find out if they should be a couple.

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.

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.

Ashley starts being home-schooled. Ben and Adrian look for a place to live. Grace worries about the future regarding her relationship with Grant. Jack & Madison take a break from sex. Lauren is crushing on a new guy.

No one is happy about Amy's plans to move in with Ricky -- including Ricky. Leo encourages Ricky to think about college, and Anne accuses Amy of rushing things with Ricky as a way of competing with Ben and Adrian. Madison is uneasy with Jack's decision not to have sex with her, and Grace asks her mother for a sleepover with Grant.

Grace and Adrian shop for a wedding dress, and Amy is cornered into planning a baby shower for Adrian. Grace and Grant have relationship problems.

The entire town is in an uproar over Adrian's impending baby shower.

Adrian hosts a baby shower. Lauren, Madison, Amy, and Grace all attend. Ricky finds out that Leo is having problems with stress.

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.

Amy is upset that Ricky is the kind of guy that could never get married, after she realizes Jack has a key to his apartment and she doesn't. Ben and Adrian's wedding reception is held at the school.

Adrian and Ben prepare for the imminent arrival of their daughter. When Adrian experiences discomfort, the couple - believing she is about to go into labor - are instructed by their doctor to leave for the hospital. Ben and Adrian agree not to call anyone until they know more, but as word spreads she is in the hospital, family and friends gather there to share the joyous occasion. But the couple learn some devastating news that will change their lives forever and will need those closest to them for support.