When dog warden Elizabeth picked up teddy bear terrier Rosie as a stray, she was delighted to give the little dog a loving home. But Rosie’s increasing aggression towards fellow dog Pepper has forced Elizabeth to find a new home where Rosie can be top dog. A divorcee who loves to sing, a nightclub croupier and a newly retired couple are all keen to take on Rosie; but which of them will be able to cope with her irrepressible energy and love of creature comforts?