Lynne Davies tries to stop English bull terrier Leo from constantly running away from his owners. Tough guy Mic Martin sets out to tackle cocker spaniel Joe's snack addiction, and Robert Alleyne attempts to reform Scooby the female rottweiler from her aggression towards other dogs.
Alfie is a border collie cross who's a charmer with the ladies but picks a fight with any man he can; Chicho is a Bracco Italiano who can't stop stealing other people's balls; and Dennis and Megan are border terriers who love to attack rabbits.
Jimmy Chew is a springer spaniel whose one mission in life is to be as naughty as he can. Hamish is a standard schnauzer who attacks every animal he sees, and Joe is a rottweiller cross whose bullying behaviour is threatening his owner's health.
Tank is a cold-hearted, abusive English Bull Terrier with an eye for anyone but his owner. Loala is a snarling, barking Rhodesian Ridgeback cross who's always spoiling for a fight, and Benson isn't so much Great Dane as great big wuss.
The trainers take on a Parson Russell Terrier who is a hyper-manic sex addict, a Staffordshire cross who behaves like a gangster, and a Shar-pei with a violent temper.
There's a seriously nasty pint-sized Patterdale Terrier for Robert Alleyne to tackle and an Alsatian who's the biggest bitch on the block for trainer Lynne Davies.
Some of the worst dogs in Britain come face to face with three trainers, who attempt to knock the dogs and their owners into shape with a strong dose of tough love and hard discipline.There's trouble, tears and heartbreak on the road to reform and one owner has to face up to her worst fears.
One Borstal inmate has almost killed his owner, another is close to driving his owners apart and the third has a nasty obsession with balls. Trainers Mic, Rob and Lynne have four days to turn them around.
