Double Exposure

Kit Hendry has several criminal convictions but now he is given the choice of a twelve-year sentence or a government mission to trace the security leakage from a Dusseldorf installation. Kit can crack safes - he can also speak German. Under the vigilant surveillance of Gaunt and also of Bernadette with whom he is infatuated he crosses the channel and is exposed to a smallpox victim but the film he secures becomes the final double take ...