Episode 4: Necropolis. The supersoldier was captured by the men of Duval the press magnate. unfortunately while trying to escape, the cargo ship carrying him crashes in the worst place on earth, the dead city, Necropolis. in a city populated by necromorphic zombies, death lurks everywhere. Steve Antonin while trying to escape is bitten then captured by a giant necromorph. luckily the giant obeys the orders of an artificial intelligence which is none other than the professor who cured steve of his cancer during his adolescence. he tells him that his immune system protects him from infection and they decide to leave the city passing under the fortified enclosure by the sewers.

Episode 5: Hadron. Duval sent men to capture the supersoldier at Necropolis. the latter takes the opportunity to borrow their equipment and the professor installs his AI on a synthetic military android. meanwhile rachel jean who survived her abdominal perforation learns the reason. she is not human and is a machine. this revelation upsets her. the base of the french secret services is then attacked and all are killed except seven star and rachel jean who are captured. Duval's mercenaries also try to capture the chameleon, but he receives unexpected help from the military android zero. duval drops a hadron nuclear bomb on japan and erases the traces, accusing the president of the csa. the world falls into a new world war.

Episode 6: Foundation. Zero and the chameleon arrive despite the beginnings of the new world war to leave France and join the csa. on Plane Zero tells his story. he was a human, an astronaut on one of the first Martian missions. having discovered the remains of an extraterrestrial temple, a black substance escapes and contaminates an astronaut. the contamination seeming under control, the scientists of genetron decide to use the substance and give birth to the necromorphs. on mars the necromorphs release an alien queen who takes control of the station. it launches a message into space to which a ship responds but it crashes on earth. zero manages to return to the temple and passes out upon touching an android found in the temple. he wakes up in cyborg form. everything seems related to the supersoldier. steve while trying to infiltrate the csu tower is captured by Duval.