When an article is published revealing The Bureau Underground to the public, Merv asks Leroy to interrogate his coworkers to find out who may have leaked the information. Meanwhile, Max's parents arrive at the Bureau to express their concern about his career choice, and Ava gets closer to solving the mystery of who bugged the office.
Two polar opposites - a cynical skeptic and a genius "true believer" in the paranormal, are recruited to investigate unexplained phenomena in Los Angeles - all while uncovering a larger mystery that could threaten the existence of the human race.