Play Adam Jensen, a former SWAT specialist who has been selected to supervise the defense needs of one of America's most experimental biotechnology firms. Your job is to protect the company's secrets, but when a black team opts and kills even the scientists you have been committed to protecting, all you thought you knew about the change of work. Wound bad during the attack, you have no choice but you will be mechanically enriched and you will find that you are looking for people around the world without knowing who you can trust. At a time when scientific advances turns athletes, soldiers and spies in superior beings, someone works a lot to ensure that the evolution of mankind follows a particular path. You have to discover where that path is. Because when everything is said and made, the decisions you take and the choices you make will be the only things that can change it.