The aliens plant subliminal messages in a musician’s recordings to brainwash a brilliant scientist into creating a cure for them against the bacteria on Earth.

While imprisoned in Russia and infected with the Black Cancer, Mulder learns that Krycek is working with the men responsible and everything has been a setup from the start, while…

A rock sample taken from Mars is intercepted at an airport and infects a security officer with the Black Cancer, while Mulder is given a tip about potentially dangerous paramilitary…