Charles invites an old friend of Mrs. Pembroke's to the house for dinner but regrets what he has done when the guest turns out to be a condescending jerk.

Charles and Buddy prepare to leave town for summer jobs while Douglas tries to figure out which summer camp to attend. An appearance from the kids' grandfather surprises everybody.

Charles comes back after his summer trip to find that the Pembrokes are gone and that a new family named the Powells is now occupying the house.