El veterano agente secreto Robert Elliot (Coburn) va a ser nombrado consejero del gobierno americano. Para asegurarse de que su pasado no salga a la luz en el futuro, tendrá que ocuparse de sus cuatro ayudantes mediante un plan tan ingenioso como letal.
Simon Templar is hired by a friend in the book publishing trade to protect one of his stars, a secretive recluse named Amos Klein who writes a popular (and lucrative) series of adventure novels about a manly and suave spy.
A mixed party of West Indian settlers arrives in London, where they encounter prejudice from the white population and integrate themselves into the existing West Indian community.