After a deadly explosion rocks a construction site in New York City, Broyles solicits the aid of our unlikely threesome to investigate a strange cylinder mysteriously found at the scene completely unharmed by the surrounding devastation. After Olivia uncovers an unbelievable commonality between disturbing events, Dr. Bishop takes matters into his own hands and Peter is forced into field duty, it almost seems as if the untraceable object is triggering the series of odd behaviors, unexpected events and surprising revelations.