Sebastien Grenier, a former French spy, is working as a financial analyst in Zurich. However, his peaceful existence starts to disintegrate when he is recruited by a top French intelligence operative to discover how one of their own secret agents was found out and executed in broad daylight.
A 1930s Scottish doctor (Sean Connery) goes climbing in the Alps with an infatuated niece (Betsy Brantley) he passes off as his wife.
