Convinced that the Company is close to finding them, H.R.G. prepares the family to run -- but Claire has other ideas. Hiro returns from the past and learns of his father's death. Grief-stricken, he flings himself into past and makes a stunning personal discovery. After a charged first encounter with Elle, Suresh makes a decision that could change lives. Meanwhile, Matt struggles with his expanding mental abilities. Maya and Alejandro's relationship is tested as they travel with Sylar. Peter meets someone who could unlock his past.