When Susie plans a surprise party for Jeff, Larry suspects she has ulterior motives, and enlists the help of his new friend Wally to ensure things don't go awry. Larry connects with a problematic inventor to develop an innovative new product.

A prominent actor shadows Larry to prepare for an upcoming role. Larry meddles in the sale of Cheryl's sister's house, helps Leon grow a new business and stirs up trouble at a dinner party hosted by Richard's girlfriend.