Ferocious cockapoo Bear is driving a wedge between owners Paul and Louise. With their marriage under stress, Victoria and Adam must help tame Bear's aggressive behaviour before it's too late. Eleven-year-old Chihuahua Gina is a pocket rocket with an attitude problem. Because of her penchant for attacking other dogs, mum and son Cindy and Cory have to carry her around in a special zipped-up safety bag. It remains to be seen whether the trainers can teach an old dog new tricks.
Destructive Dalmatian Lupin and owners Kelly and Emilien arrive in desperate need of help. With tens of thousands of pounds of damage done at home, trainer Victoria takes both canine and couple under her wing looking for a solution to stop the carnage. Meanwhile, Jack Russell-cross Mya demonstrates a violent phobia of car windscreen wipers, leaving Nanci and Jo seeking a speedy solution in case it rains on the journey home.
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.
Two new students arrive with a bad case of sibling rivalry - cockapoo Maggie, and German shepherd Cody. Escorted by later-in-life lovebirds, Diane and John, the couple have grown tired of Maggie’s ‘diva’ ways. First, the trainers must unlock the mystery of why she really hates her baby brother. Meanwhile, muzzled collie, Marvin, has left owners, Laura and Dave, at their wits’ end. Concerned by Marvin’s lunging and nipping, they fear he’ll bite someone and have to be put down. As trainer Jo begins the delicate process of earning Marvin’s trust, there’s no knowing how he’ll react.