Synopsis

Harry Palmer has left the British Secret Service and become a private detective. One of his first assignments is to deliver an apparently innocent Thermos flask to an old friend in Helsinki, Palmer is suspicious of the flask' contents and starts to doubt his friend's motives, and those of his boss, a Texan billionaire.

Harry Palmer has left the British Secret Service and become a private detective. One of his first assignments is to deliver an apparently innocent Thermos flask to an old friend in Helsinki, Palmer is suspicious of the flask' contents and starts to doubt his friend's motives, and those of his boss, a Texan billionaire.