Matt is determined to settle down before heading off to medical school. While in search of a woman to marry, he goes out on a date Sarah, who is the daughter of a rabbi. Ruthie tries to set her brother straight by telling him not to do anything stupid. Eventually concern grows to fear for both families as both Matt and Sarah do not come home after their second date together in less than 24 hours.

Matt stays out all night with Sarah and they secretly elope, but when facing their parents they're only able to summon the courage to say that they're engaged. A worried Annie tries to calm Eric down, who is convinced that Matt did something foolish. Meanwhile, Lucy and Mary search for Ruthie because they suspect that she knows what really happened during Matt's night out. Ruthie and Matt agree to keep the marriage a secret until a Jewish wedding in a few months.

Annie frantically cooks Jewish dishes as the Camdens prepare to head out to a Shabbat dinner at the Glasses. Simon asks Matt and Sarah if he can bring his friend Morris to the dinner. Matt agrees to allow Morris to come to the dinner as he is half Jewish. Although, that does not go as he planned as he is not very knowledgeable about his faith. Lucy and Mary play sick to try to skip the outing so they can stay home with Robbie. While home, Mary flirts with Robbie. Lastly, Eric and Annie are unable to handle everything when they are shocked to find out during dinner that Matt is considering to convert to Judaism.

Matt and Eric meet with Rabbi Glass to discuss wedding plans, and Eric learns that he is playing a smaller role than he had originally planned. Annie prepared for fewer guests to attend the rehearsal dinner and gets very flustered when she does not have kosher food. Ginger and Charles are prepared to fly to Glenoak, but Charles get's lost at the airport. Simon gets angry when Matt asks Robbie to be his best man. Meanwhile, Ruthie tells Robbie that she wants his room for herself after Matt moves out. Ben proposes to Mary, but he gets an unexpected answer.

Matt and Sarah grieve over Eric's decision not to attend the nuptials following his argument with Rabbi Glass over Matt's conversion to Judaism. Hoping to patch things up between their fathers, Matt and Sarah seek their mothers' help in persuading them to put aside their differences before it's too late. Ben and Kevin come to Glenoak to meet up with Mary and Lucy so that they can resolve their problems. Robbie tries to figure out why Ruthie wants him to move out of the Camden household.

Eric and Rabbi Glass pay a visit to the church to spy on the new associate pastor. Meanwhile, Ruthie is in big trouble when she's caught slow dancing with her boyfriend when she's supposed to be babysitting Sam and David. Meanwhile, Lucy asks Simon to dig up some information on Roxanne during his ride-along with her and Kevin in their patrol car. Lastly, Kevin has some explaining to do to Lucy after he runs into his ex-wife.

When a mysterious stranger wanders into the Camden home and spends the day with the family everyone assumes he is Simon's friend. Meanwhile, a disheveled, Rabbi Glass stops by to confide in Eric that he caught his wife kissing another man and discusses about splitting up. Kevin feels emasculated after being attacked and injured by a woman during a domestic disturbance call and goes on medical leave. His attitude toward Lucy changes drastically as he worries that Lucy isn't attracted to him anymore. Plus, Simon is concerned that no one seems to care that he's leaving for college in a couple of days. Lastly, Ruthie and Peter struggle with a school project.

Matt returns home to tell Eric and Annie that Sarah has left him and he's dropping out of medical school. Rabbi Glass offers Matt marital advice. Meanwhile, Kevin must decide whether or not to tell a very jealous Lucy that his ex-wife is in town and they got invited to dinner with her. Martin's aunt asks Eric to step in and talk Martin into moving to New York with her and Chandler asks Peter how he would feel about Chandler marrying his mother someday. Peter thinks something is amiss when his mother goes out of town for a business trip. Ruthie keeps something from her mother.

Matt returns to Glenoak to celebrate a special anniversary with Ruthie and tries desperately to avoid seeing the rest of the family. However, when Lucy discovers the secret, she, Eric and Annie go crazy trying to figure out why he's in town. Meanwhile, Martin shares something special with Cecilia. Also, Annie lets it slip to Nurse Kelly that Matt and Sarah are married. Lastly, Vic invites Paris to spend a special evening with him, but she doesn't want to go because she thinks he might propose.