Tato série sleduje osudy uměleckého profesora, který vede dvojí život jako nájemný vrah pro americkou vládu. Proplétá se světem umění a nebezpečných tajných misí, kde každáakce má dalekosáhlé následky. Napětí, intriky a morální dilemata jsou zde na denním pořádku.
Jonathan Hemlock, Professor of Art, world-renowned mountain climber and freelance assassin for the CII. Hemlock is sent to Switzerland on a mission to climb the notorious Eiger peak of the Alps, whose north face has meant death to many climbers. Hemlock's target: one of his three fellow climbers. The only problem is, CII can't tell him which one...
The scene is London, where Jonathan Hemlock is blackmailed into performing another "sanction" -- a top-secret political assassination -- in a nerve-wracking web involving dirty dealings among high-ranking British government officials and a British counterespionage group. Once again Hemlock's life hangs in the balance -- but this time the game is deadlier, the penalty for failure more grotesquely lethal than ever before!