As Nathan (Adrian Pasdar), Claire (Hayden Panettiere), Peter (Milo Ventimiglia) and H.R.G. (Jack Coleman) help Angela (Cristine Rose) uncover her past, she reveals the dark secrets that have haunted her for years. Meanwhile, Mohinder (Sendhil Ramamurthy) learns of his father’s involvement in a long forgotten government operation. Diana Scarwid, Alexa Nikolas, Laura Marano, Ravi Kapoor, Casey Kringlen, H. Michael Croner and Edwin Hodge guest star.

EMMY AWARD-WINNER ZELJKO IVANEK GUEST STARS – As Danko (guest star Zeljko Ivanek) spearheads the government operation, someone close to him is put in the line of fire. HRG’s (Jack Coleman) life continues to spiral out of control and his marriage is dangerously close to the breaking point. Meanwhile, Hiro (Masi Oka) and Ando (James Kyson Lee) continue their road trip with a special delivery for Matt Parkman (Greg Grunberg). Elsewhere, Angela Petrelli (Cristine Rose) unearths the demons of her past. Hayden Panettiere, Adrian Pasdar, Zachary Quinto, Sendhil Ramamurthy and Milo Ventimiglia also star. Ashley Crow also guest stars.