On Steve's wedding day the groom is predictably nervous. Recalling certain mishaps from his own big day, super efficient Robbie determines that his own father's wedding will be perfect and after a few hours of hectic, last-minute preparations, Steve and Barbara are married in a simple church ceremony.

With Steve and Barbara due back from their honeymoon in Mexico, Katie forces Robbie to lecture Uncle Charley on politeness, and the result of his very puzzling behaviour nearly drives Barbara out of her mind.