The Looking Glass War (film)
The Looking Glass War is a 1970 British neo-noir action-thriller film directed by Frank Pierson based on the 1965 novel by John le Carré "The Looking Glass War". Plot. Polish defector Leiser is offered a chance of UK citizenship by MI6, but only if he agrees to undertake a highly dangerous espionage mission behind the "iron curtain" in East Germany. Leiser's role is to replace an MI6 agent who has already been murdered, and to gather photographic intelligence on a covert East German rocket system - in violation of international agreements. The mission  goes wrong from the start when, shortly after arriving in East Germany, Leiser is forced to kill a young East German guard, and later murders a lorry driver who makes homosexual advances. Leiser's objective is further undermined when he falls in love with an East German woman looking for a way out of the country.