to gain their memories, skills and appearance. With no memory of his previous life, Alex decides to find and consume those related to the conspiracy in order to uncover the truth, quickly bringing him into conflict with the US Military and Blackwatch, a black ops unit trying to contain the Blacklight virus which is overruning Manhattan. Alex makes contact with his sister, Dana, who assists him in tracking down targets, leading to the infiltration of Gentek headquarters, where Alex encounters a young woman called Elizabeth Greene who is contained in the building. Greene is a host for Blacklight, and upon her escape, she unleashes it upon Manhattan. Dana directs Alex to Karen Parker, his ex-girlfriend, who agrees to aid him in stopping the Blacklight outbreak, asking him to bring her samples of the virus. However, Karen later leads Alex into a trap, where he is confronted by Blacklight commander Robert Cross. During their battle, Alex almost defeats Cross, until Cross mentions 'Penn Station', triggering a flashback that leaves Alex dazed. Alex is injected with a parasite that threatens to kill him. Alex seeks help from Dr. Bradely Ragland, a pathologist linked to Gentek. Ragland helps Alex remove the parasite and turn it into a weapon against Greene. However, when Alex tries using it on her, Greene's body rejects the parasite, which then transforms into a monstrous being: the Supreme Hunter. Alex defeats the Supreme Hunter, and later finds and kills Karen as revenge for setting him up. The origins of the virus and Elizabeth Greene are uncovered through a contact: in 1969 the government tested the virus' predecessor in Hope, Idaho, designed to target predetermined races. Although the entire town was infected, no ill effects manifested until Greene's infection. An anomaly in her body's biology accepted the virus, rewriting her genetic code and causing her to take control of the infected town, becoming hostile in the process. The entire population of Hope, Idaho was liquidated by Blackwatch with only Greene and her son, codenamed "Pariah", surviving. Although kept separate, the two were held in captivity for further research. With samples taken from Greene's blood, Gentek's team led by Alex synthesized the current strain of Blacklight virus. Alex also discovers his own past: Blackwatch shut down the Gentek project due to leaks and ordered all project personnel eliminated. However, Alex disobeyed the order and took a sample of Blacklight as "insurance".