Lea Anderson, a British sharpshooter, goes to her last mission with her stepbrother Paul. However, the mission fails, and Paul becomes the only survivor. After three years of the mission, Lea shows up in front of him.

Lea Anderson, a British sharpshooter, goes to her last mission with her stepbrother Paul. However, the mission fails, and Paul becomes the only survivor. After three years of the mission, Lea shows up in front of him.