The future of the X-Files project is jeopardized after Mulder secretly infiltrates the government cover-up of a UFO crash.
Margaret and Francey enlist the help of a popular true crime podcaster, Lea Luna, to help exonerate a client who is serving a life sentence. Also, Todd solicits dating advice from his sister and Susan when sparks fly between him and Lea.
When Olivia discovers a dangerous force connected to Walter’s past, she forces him to leave the lab for the first time in years and come face-to-face with the demons of his past.
When a deadly, viscous organism is discovered inside a strange rock, the agents race to determine the rock's origin.
To gain tangible proof the organism inside the rock is an alien entity, Mulder joins forces with the duplicitous Krycek and comes face to face with the starling depths of his deception.