The owner of a department store is threatened with divorce by his wife, who has gotten reports that he's been seen in the arms of a beautiful blonde on the night of their 20th wedding anniversary. He has to find a way to convince her that the "beautiful blonde" in question was actually a store mannequin that he was taking in for repairs.

Snagglepuss adds a room to his house, hoping the rent he receives will finance a vacation trip to the South Seas. Lovely Lila, a Southern belle, becomes his new tenant. In no time, Snagglepuss finds himself moved into the spare room and Lila has the run of the house. When she demands new drapes, new decorating, and not one but two swimming pools, Snagglepuss rebels.

The high cost of their kids' birthday parties inspires Lucy and Viv's latest money-making scheme. They'll make easy money with their own children's party business.