You are a retired sniper that decided to end his career and finally have a rest. However, real masters never sleep and your skills interest some people. They are representatives of the government and they have a pretty honorable job for you. Your incredible talent is what they need to defeat criminals, betrayers, and other evil guys. Luckily, they give you a lot of freedom, so you can even choose the targets on your own. You will hide somewhere nobody can notice you and make a shot. Only one.
