A young FBI agent is assigned watchdog duty over a fellow agent, but finds herself drawn into his investigations of paranormal and unexplained phenomena.
With the investigation in full swing, Mark Solano is brought in for questioning after getting caught in a lie. Then, Gemma reveals a secret to the detectives and Carver interviews Ellie’s husband, Tom.
Hal finally reveals his internal struggle to everyone, and it doesn't bode well for the Masons. Lourdes experiments with a risky new medical procedure, and Charleston's government sees a massive shift in leadership when a group breaks away on a search and rescue mission. Gloria Reuben guest stars.
Mulder and Scully uncover a chilling link between a UFO cover-up and secret government experiments.
To locate a potential cure for Scully’s illness, Mulder accesses a secret research facility, leading to a stunning revelation about the origins of her cancer.
