X档案：我要相信

自2002年X档案的六年后，前联邦探员丹娜·斯科莉（吉莲·安德森 Gillian Anderson 饰）调任某教会医院担任医师，福克斯·穆德（大卫·杜楚尼 David Duchovny 饰）则过着隐居的生活，继续着对超自然现象的关注。某天，FBI探员前来请求他们的帮助。原来一段时间内，维吉尼亚州接连有数名女子神秘失踪，其中甚至包括一名联邦探员。由于神父约瑟夫（Billy Connolly 饰）声称看到了犯罪画面，因此FBI希望对超自然案件有着丰富经验的穆德和斯科莉协助调查。然而随着调查的深入，穆德和斯科莉却发现案件的黑暗远远超出他们的想象。这对合作多年的搭档面临着巨大的考验…… 　　本片为同名美剧的第二部剧场版。Fox Mulder and Dana Scully both worked at the FBI as partners, a bond between them that led to their becoming lovers. But now they're out of the FBI and have begun new careers. Scully works as a staff physician at a Catholic hospital. Her focus these days is on a young boy with an incurable brain disease. Administration wants to give up on him. Scully, who feels a special bond with the boy, does not. Meanwhile, Mulder's focus is on clipping newspaper articles, throwing pencils into his ceiling and writing about the paranormal. Scully and Mulder are brought together as partners again when a special case requires Mulder's expertise and Scully is prevailed upon to convince him to help. The case involves a pedophile priest who claims he is having psychic visions regarding the whereabouts of a missing FBI agent.