Noah Bennet takes matters into his own hands to get much-needed answers. After Tommy makes a startling discovery, he and Emily go on an unexpected journey. Elsewhere, Luke continues to come to grips with the fact that he has become what he has been hunting. Malina finds a surprising ally. Miko stays on the course to save her father, but Erica takes measures to interfere. Meanwhile, Carlos learns more about what is really going on with EVOS from an unlikely source.

In an effort to get answers, Noah Bennet joins forces with Hiro Nakamura to return to the day of the tragic events of June 13, 2014 that set everything in motion. On the verge of delivering a speech to commemorate the event, Mohinder Suresh receives a dire message from Angela Petrelli about Erica Kravid's true motives. In Japan, Hachiro Otomo makes a calculated move against Hiro Nakamura. Meanwhile, a much happier Luke and Joanne come to Odessa in hopes of finding a cure to their son's ailment.

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.