After an accident ends Lina & Richie's coffee date, the group spends the night at the hospital. Perry & Holly force Kyle to remember how he broke Holly's heart at the prom. Nicole, who once thought her marriage was on the rocks, now has second thoughts.
Ethan and Kat fight over the leather coat belonging to Ethan's ex. Lina tries to convince Richie that it's all right for him to stick around and let himself get closer to her. Nicole still has misgivings about the impending remodeling job on her home. Holly reports from a remote location in the eye of an approaching hurricane.
Nicole really feels uneasy when Duncan and Yonk begin to bond over video games. Holly and her husband continue to badger Kyle about getting their daughter into the private school where he teaches. Kat is reluctant to fix Ethan up and Richie formerly asks Lina up.
Holly does a remote from a children's petting zoo, where she becomes involved in an unfortunate accident. After forging his signature on some footballs, Yonk invites Duncan and Richie to Atlantic City, right before Nicole asks Duncan to not let Yonk gamble. Ethan and Kat have a meeting of the minds...sort of.
Ethan finally decides to come clean about not being Dan. Richie decides to return the expression when Lena says the three magic words to him, but then decides to act on them when he reveals his secret to Kyle and Nicole about being married.
Crushed by the news that he's married, Lina refuses to see Richie, who has finally got up the nerve to leave his wife. When Duncan and his mother are invited to the Allen's for Thanksgiving dinner, his mother spills the beans about Duncan and Nicole having been quite an item while they were in high school. And when Holly invites her former boyfriend to dinner with her husband, he gets to give his partner a show in how true it is about women desiring to find a man much like their father.
Duncan gives Yonk advice on the perfect gift for Nicole on their first wedding anniversary. Kat can't stand her new neighbor, and old classmate from design school who is just a little too perky for Kat's taste...but not Ethan's. Richie continues to work his way back into Lena's heart.
When Ethan convinces Palmer to join in on eavesdropping in on Kat, she overhears a conversation which prompts her to abstain from Ethan's advances to further explore their relationship. Meanwhile, Duncan gets hit on by a former classmate, and it drives Nicole crazy, but swears Richie and Lena to secrecy.
Nicole and Yonk are both on diet, but then Yonk catches her eating with Duncan. Kat starts having real feelings for Benjamin. Lina and Richie host a dinner party. But Lina's Moroccan Chicken is not to anyone's tastes.
Nicole feels a loss when the boys finish renovating her home, while Yonk refers to her in an interview with a journalist by his ex-wife's name. Meanwhile, Ethan feels compelled to break it off with his current girlfriend, but has to face the music when someone else spills the beans to her.
After Yonk collapses as a result of a heart attack, the majority of the class flocks to Nicole's side to support her. After Kat dumps Benjamin, Ethan begins waiting for the right moment to tell her that he feels that he is the right guy for you.