A nationwide tragedy took away their son, and now they roam the country in search of those they feel were responsible for his death. Their goal is simple: catch and kill. The fourth in the "Heroes Reborn" event series of six short thrillers based on the fascinating characters and rich mythology of NBC's world-wide hit TV series "Heroes", and the highly anticipated "Heroes Reborn". The new season picks up five years after the finale of the original series and finds those with special powers in a precarious and dangerous world where they are feared, persecuted and attacked.