Picking up after the last event series’ cliffhanger, Mulder and Scully learn that they aren’t the only ones desperately searching for their long-lost son, William. The very fate of the world may depend on it.
When Agent Reyes is injured in a car accident, she finds herself trapped in a netherworld between life and death - and her only hope for survival lies with a hospital staffer who can bridge both worlds.
The agents attempt to "connect the dots" when a series of strange deaths are linked to a man who resides in a house that is an exact replica of the house from "The Brady Bunch" television series - complete with the Bradys themselves.
When Mulder is accused of murdering Knowle Rohrer, the U.S. military puts him on trial - and hears testimony from a group of defense witnesses who support Mulder's claim regarding a government conspiracy and the existence of extraterrestrial life. With help from his friends, Mulder escapes from his military cell and embarks on a journey to find the man who can shed light on the truth about the government conspiracy.