Former cinema camera director Julius Sewell journeys across Europe with his family to his sister's wedding in Rome. But this will be an unusual road trip. For one thing, Julius has been in an institution and has only just been released to travel. And then there is his family. This is Easter 1934 and Julius' stepfather and mother are keen members of Oswald Mosley's new party, the British Union of Fascists. One of Julius' half-sisters is in studying in Munich, where she dreams of meeting meet her ...