As a member of a black-ops arm of the CIA, Hayden Tenno has always performed his job with ruthless efficiency? doing
to get the job done in the name of patriotism. He is sent on his latest
mission into Lasria just as he is beginning to question his place in
the world, and the motives of those around him. Now, infected with the
Technocyte virus and in possession of new superhuman powers, Hayden
struggles to keep the infection from taking over his body as he faces
down his past and evolves into something new? a hero.

Dark Sector thrusts players into the role of Hayden Tenno, a covert
operative sent on a dangerous mission into Lasria - an Eastern European
city on the brink of ruin that hides a deadly Cold War secret. In the
midst of this mission, Hayden is attacked by an unknown enemy and
infected by the Technocyte Virus - a brutal bio-weapon that twists it s
victims into mindless killing machines. Surviving this attack, Hayden
finds that the Technocyte virus has granted him powerful, inhuman
abilities unlike anything he has ever seen. Now, he must evolve with
his powers, survive and become a hero.