The exploits of FBI Special Agents Fox Mulder and Dana Scully who investigate X-Files: marginalized, unsolved cases involving paranormal phenomena. Mulder believes in the existence of aliens and the paranormal while Scully, a skeptic, is assigned to make scientific analyses of Mulder's discoveries that debunk Mulder's work and thus return him to mainstream cases.
For opposite reasons, an undercover federal agent and a small time hood join forces to take on a union of drug lords and dirty cops.
A former bomb squad leader comes out of retirement to investigate a series of bombings plaguing Seattle.
