Jack Russell Bertie loves to bark - and brothers Sherlock, Dobbie and Gizmo are only too eager to join the chorus. However, the incessant barking is a cause of worry for husbands Andy and Rich, so they call upon trainers Nanci and Jo to help calm this cacophonous quartet. Plus, a wife seeks help calming her 18-month-old cockapoo Freddie, as his behaviour is terrifying her husband.