Peter travels to Primatech Paper in Texas with Adam to destroy the virus, which will kill 93% of the world's population in the future - or so he believes. Niki returns to Micah Sanders with bad news, to right a wrong, Monica puts her abilities to test. Hiro Nakamura goes after his father's killer. Matt Parkman uses his mental abilities to track down the last person in The Company photo. Nathan learns his brother is alive. Outside New York, Maya must choose between Alejandro and Sylar.