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