Steve is ready to calls it quits in his relationship with Myra but is shocked when she tells him she doesn't want to see him anymore. He's now free to be with his true love, Laura. A few weeks later, Myra makes a visit to the Winslow House deeply regretting her decision unfortunately, Steve does not want to reconcile.Meanwhile, Eddie quits college and decides to go to Police Academy to be a cop like his dad.
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.
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.
Steve and Laura attend the biggest polka festival in all of Chicago. She is surprised and impressed by how much he has contributed to the community through polka music. She loves him even more and enjoys herself there. Meanwhile, Eddie buys a new apartment for him and Greta to live in. Carl comes over to visit him and overstays his welcome by embarrassing him.
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.
Steve and Stefan arm themselves with roses and rings. They decide to propose to Laura immediately. Stefan is Carl's choice because he does want Steve to return to his perfect ex-girlfriend, Myra Monkhouse and marry her instead. Laura struggles with her choice and no matter what happens, her decision will cost her one of the guys. Harriette tells her no matter what decision she make, they'll support her. When 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 ...
As Steve and Laura discuss wedding plans for their guest seating arraignments, 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 it's 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 fiancée. 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.