Grey, an elite detective, has the mission to investigate the assassination, in Paris, of a great Hollywood star. There is no real motive, and yet the suspects are numerous. The investigation promises to be long and difficult.
In India, a British detachment finds itself surrounded in a village by invisible enemies. An officer is assassinated, then another. The adversary seems very well informed. By who ? A group of twenty men who had gone to seek help were annihilated. An American reporter will force the mysterious spy to denounce himself.
