Martin spends his lottery winnings on expensive items and his friends, but when he goes to pick up the money he learns the winnings are to be split up.
When Jamie introduces Fancy to hotel guest Debbe Dunning without mentioning that she's his girlfriend, Fancy thinks that something is going on between them.
While breaking company policy and risking their jobs to work on their new demo tape, Jamie and Nicole meet the Jingles 2000 studio's mysterious night janitor.
After Calvin and Laura get engaged, they sense trouble on the horizon, so they decide to test their commitment to each other and enroll in couples counseling.
Urkel manages to cause several problems during his extended stay at the Winslow house, including vacuuming up a fish that Carl is watching for his boss.
Steve imagines that he and the Winslow family are living in the 1940s, and that he is a detective who has been hired to protect Rachel from an assassin.
Carl purchases a used car with the hopes that he and his son can bond while fixing it up, but Eddie would rather work with Waldo; Steve gets glued to Laura.
Steve confronts Laura when he discovers that Ted has bragged to his friends that he and Laura have become intimate; Laura attempts to curb a rumor about her.
Carl is happy to hear that Steve is in the hospital for a surgery, but he changes his tune when an injury forces the two of them to share a hospital room.
The romantic plans of two best friends come to a halt when their respective girlfriends insist they practice safe sex and they have to find a drugstore.
During their wedding planning, Calvin and Miranda have a disagreement about his son - he wants his son to be involved, but she is more hesitant at the idea.
The family suspects ulterior motives when Curtis insists everyone take a DNA test to find out more about their ancestors, but the results don't go to plan.