At the height of the second world war, a group of men and women are gathered together in london to be trained as spies'. '.strtoupper('h')owever, there is a traitor in their midst'. '.strtoupper('a') catholic priest robert beatty and a belgian expatriate simone signoret are among a select group of people chosen by the british for secret operations in nazi occupied belgium during world war ii'. '.strtoupper('a')fter parachuting into enemy territory, the agents set out to complete a two part assignment destroy german information located in brussels and rescue a fellow operative from the nazis'. '.strtoupper('h')owever, when word arrives that one of their group is a traitor, the mission falls into jeopardy.