X-Files: I Want to Believe (2008)

Years after leaving the FBI, Fox Mulder has become a reclusive figure, while Dana Scully has dedicated her life to practicing medicine at a Catholic hospital. Their quiet lives are disrupted when the FBI asks Mulder to assist in the investigation of a missing agent after a former priest claims to be receiving psychic visions connected to the case. Though skeptical, Scully joins Mulder as they are drawn back into a world they hoped to leave behind.

As the investigation unfolds, the pair uncover a disturbing trail that leads to illegal medical experiments, human trafficking, and a chilling conspiracy. Forced to confront questions of faith, science, and the paranormal, Mulder and Scully once again rely on their unique partnership to uncover the truth before more lives are lost.