An overheard whispered discussion leads Jimmy Hogg, an accomplished cat burglar, to fear for his life. He has learned the most awful of secrets, one that could bring down the British Government and destroy the very foundations of Great Britain; a plan to murder the People's Princess. Just when he thinks he has found an ally to assist him, that person is taken from him in a vicious manner. With every policeman and security camera in the country looking for him, there is nothing he can do except run. Run for his life.