Cory is caught listening to the Phillies game in class while Feeny is trying to teach the class about love. Eric decides to take his girlfriend on their first date to the Phillies game instead of Cory, so Cory decides to live in his tree house.
When Cory's parents don't give him the money to buy a water gun for the classes water fight. He strikes a deal with Mr. Feeny to paint his shutters and Feeny will give him the money for the gun. Corey rushes through the job and an accident occurs.
Feeny's niece comes for a visit and Eric gets Morgan to help in asking her out. Cory and the kids grandma comes for the weekend and she makes a promise to Cory but he is disappointed when she leaves early, and he misses out on the fishing trip with Shawn and his dad.
Cory and Eric don't want to play in the annual father/son baseball game and they both make excuses not to play in the game. Alan lies to them and says the game is canceled when it never was. Cory and Eric feel bad so they set up make-up game.
Cory and Eric find out Amy has been lying about going to bowling and think she is having an affair. Mr. Feeny gives a math riddle to the class and Minkus gets it wrong while Topanga gets it right. Cory spends time trying to figure out the answer.
Mr. Feeny gives the class a project, to play an ideal family. He sets Minkus and Shawn up as brothers, with Cory and Topanga being the parents. Mr. Feeny wants them to become a model family. Eric quits his job working with his dad when he gets a job modeling at the mall. Amy and Alan decide to let him learn his own lesson.
Mr. Feeny has the class make a mock business, while Cory/Shawn face off with Minkus/Topanga to bet on who can make the most money, with real money. Cory and Shawn bet on horses and win a lot of money. Amy let's Cory babysit Morgan for Valentine's Day so she can go out with Alan.
Amy and Alan go out and hire a babysitter, who cancels on them, so Feeny subs in. Eric takes his driving test and fails but still decides to take his dad's car for his date. Cory tries to sneak an R-rated movie into the house.
Alan gives Cory a gift for his birthday, a necklace with silver boxing gloves on them. Without explaining the meaning of them to Cory, he is careless with them and loses them. Cory feels terrible after hearing what they meant to Alan.
After watching a movie about puberty and hormones in Feeny's class, Shawn gets his first date. Cory gets jealous and thinks he has to best Shawn so he asks Topanga on a date. When Cory's parents find out the date is made through jealousy they tell him it is wrong and he should cancel it.