In the wake of an unspeakable tragedy, Erica Kravid puts her dark plan into motion with Renautas. Hiro and Angela are tasked with an important mission that could change the course of humanity. In Odessa, a distraught Luke and Joanne come to realize their tragic mission after the loss of their son. Meanwhile, Noah Bennet has an unexpected reunion with Matt Parkman. In Japan, the origins of Miko come to light. Elsewhere, the truth behind Carlos' military service is revealed.