Sam Fishers daughter is murdered. On the verge of rage, he swears revenge. In the previous parts, he is saving the world in special missions with good equipment and tactical knowledge. Now he has infiltrated a terrorist organization and has to do a lot of evil to get a better place in the world.

Through the prison, one encounters an incredible new adventure and new scenes of tension / action that explode consciousness.

With the success of Chaos Theory, UBISoft promises even more branching plot paths as well as more open gameplay.