Those cantankerous senior citizens, Tom and Diana, cause more madness and mayhem in the fourth series of this delightful comedy. Diana runs into serious financial difficulties, and the management of Bayview delight in the prospect of losing her as a resident. Will soul mate and fellow inmate Tom come to her rescue? Meanwhile, when the local council cancels Tom and Diana's favorite classes at the Adult Education Centre, Diana looks to roll some heads. But when they take on city hall, Tom and Diana are put firmly in their place.