While Ben and the gang are at pub quiz, Ben becomes angry when it is brought to his attention that someone is cheating and he decides to take matters into his own hands. However, his bite might not match his bark.

Janey desperately wants to keep her new man under wraps, while a suspicious Ben tries to expose an affair between Susan and a client.

Susan asks Ben to help an old girlfriend of hers, Mona, through a divorce, but nearly causes her own when Mona tells Ben some surprising tales about Susan. Elsewhere, Roger is feeling down until Janey intervenes.

When Ben and Susan discover that Michael is seeing a therapist, Susan is worried and goes straight for the therapist herself. Meanwhile, Ben thinks a father-son chat will sort out the problem.

Ben's uncle Norris dies, leaving him less than he expected, and instead Susan benefits. Later, the wake is held at the Harpers, but will it go smoothly?

Susan decides to get another dog but when she is considered unsuitable to adopt by the dog adoption assessor, Susan loses her cool, and as a result, it is Ben who ends up in the doghouse.

An undercover assessor for Cavitex, posing as a patient, leads to Ben having to attend a retraining course, and to make matters worse, Roger is also attending.

Ben's old friendship with a celebrity dentist causes problems, while Susan finds a new friendship at an Albanian airport and her loyalty to Ben is put to the test.

Kenzo's school project about the family gives everyone a chance to look at some of the crazier moments in the Harper history.