After a break-up, terrier Marney won't let anyone new into Rebecca's life. Albert guards Jasper and Alexis's front door like a bouncer. Charlie the Chug chases anything that moves.

Trainer Graeme Hall helps famous faces solve their dogs' behavioural problems, using his experience to find quick but long-lasting solutions. Graeme visits Essex, where actress and presenter Denise Van Outen is being given the runaround by her French bulldog Tilly. He then meets opera singer Russell Watson, whose saluki Poppy has a fear of other dogs, before helping former England striker Michael Owen, whose Staffordshire bull terrier Ronnie has attacked dogs in the past.