This is the story of a young boy called Peter, who is knocked down by a car. To his considerable astonishment, when he recovers, he is not a boy anymore – he’s a cat! Fortunately, he meets Jennie, a cat who had been abandoned by her family when they moved away, who educates him in the wiles of the feline world and life on the London streets. Will he stay a cat with Jennie, or return to being a human boy?