Your name is Sam Fisher and you are the best field-operative of the secretive "black-ops" NSA sub-agency THIRD ECHELON. Sent to execute desperate missions, you're the last resort of your government, on the edge of legality and morality. Alone, yet armed with some of the best hi-tech weapons on the market, you are geared up to infiltrate and neutralized every enemy - all without leaving a trace. Discreet as a whisper, deadly as a blade, you are authorized to operate with carte blanche. You exist above the law, and your name, your face and your mission are something but anybody might even suspect.