When Myra presents Urkel with a nude drawing of himself, the nerd tells her to get lost. A short time later, Urkel learns that Myra is going to a convent. Concluding she is becoming a nun because he yelled at her, Urkel convinces Eddie and Waldo to dress like nuns and go to the convent to stop Myra.

With Steve out of her life, Myra is going to make sure Laura is out of his too. Her theory is, if she can't have her boyfriend back, she'll make sure her rival doesn't either. She and Stefan team up to ensure their happiness is complete. Meanwhile Eddie learns about guns at Police Academy.

Steve demands that Myra stops stalking him and renounces her love for him. Meanwhile, Carl has some explaining to do when Harriette discovers that her wedding ring was meant for someone else.

After breaking up a few fights between Myrtle and Greta, Laura decides that both of them should fight it out in a boxing match for Eddie's love. Meanwhile, Steve and Carl helps 3J locate his birth mother in a diner three blocks off Chicago. She was happy that he's living in a new family who loves him. She explains to him why she gave 3J up for adoption.

Laura is suspicious of Maxine's wealthy new boyfriend, D'Andre Moore. After D'Andre asks Maxine to deliver an unmarked package for him, police cadet Eddie and his supervisor arrest D'Andre for dealing drugs, and Maxine apologizes to Laura. Steve accidentally goes to Washington, DC, on a train with Carl. En route he must share Carl's puny cabin for the entire trip from Chicago.

When Myrtle decides to get a makeover to steal Eddie away from Greta one last time. She immediately realizes that he's not exactly her type and renounces her love for him.

Steve and Stefan arm themselves with roses and rings as they both decide to propose to Laura. Stefan is Carl's choice because he wants Steve to return to his perfect ex-girlfriend, Myra Monkhouse, and marry her instead. Laura struggles with her choice because no matter what happens, her decision will cost her one of the guys. Harriette tells her that no matter what decision she makes, they'll support her. Steve announces that he's not going to propose to her and decides to go live in Russia with his parents. Laura decides that it is him she wants to marry, not Stefan. Steve has been a gentleman to her ever since they met and she deserves that over having a glamorous and shallow life. Carl is not happy with her decision, but he also realizes that it was hers to make.

As Steve and Laura discuss wedding plans for their guest seating arrangements, NASA comes calling and tells him that he'll go into space to test his anti-gravity invention. Later on, Myra refuses to take no for an answer and sneaks aboard the shuttle to convince Steve to stay with her and give up Laura right away. Meanwhile, Harriette is overly concerned with Eddie's safety, she has him transferred to being a meter maid.

With the space ship unable to return to Earth, it's up to Steve to save his fellow crewman by gently removing the satellite that got stuck to its side. Once successful, he brings the crew home. Meanwhile, Myra makes one last push to get Urkel to come back to her, by pretending to be his fiancee. The plan fails and she eventually gives up on her pursuit. During that time, Carl helps Harriette understand her son's need to be a police officer. Eddie's meter maid duty takes a dangerous turn.