Simon "Ghost" Riley is a british special forces operator. He worked undercover as a spy for the task force after a rumor that task force 141 composed of Price, Soap, Gaz, and Alejandro, is being hunted by the Shadow Company.

He befriended and manipulated the leader of the Shadows, using her and making her fall in love with him to make sure that the task force will be unharmed and to extract information.

As they cornered her, Ghost was expected to pull the trigger that will end her life.