As Hiro's (Masi Oka) life continues to hang in the balance, he distracts himself with saving the lives of others. Meanwhile, Angela (Cristine Rose) tries to help the new Nathan (Adrian Pasdar) remember his past, at the risk of his remembering too much. Elsewhere, Tracy (Ali Larter) is determined to get her old job back, but soon realizes that she needs to make more of an impact. Jack Coleman, James Kyson Lee, Zachary Quinto and Milo Ventimiglia also star.
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