As Kath prepares to wed fine-meats purveyor Kel, her daughter Kim moves back home after becoming disillusioned with her two-month marriage to Brett.

Kath and Kel adjust to living together as a newly married couple and face getting older head-on. Meanwhile, Kim embarks on a new project: having a baby.

Forced to move in with Kath and Kel, Kim and Brett try to finagle a way into a home of their own again. Meanwhile, Sharon dates a couple of new men.

When Kim finds out Brett has behaved badly, she makes him pay dearly. Kath and Kel consider buying a new home. Sharon finally gets lucky in love.