Month after month, the FBI hunts for a mysterious, elusive terrorist, whom the press has nicknamed “The Green Man,” and again and again he slips out of the most ingenious traps set by the best masters of his craft. The list of victims is ever growing, and each of them is a powerful person , one way or another, seriously damaging the environment. Gradually, the “Green Man” becomes the idol of hundreds of thousands of environmental activists... A young programmer in the FBI service, Tom Smith, suddenly discovers something that others have missed. Something that could really help catch the Green Man. However, Tom is haunted by one question: what if the one he hands over to the law is really the only one who can save our world?..