Fox Mulder, a trained FBI profiler who believes in the existence of unidentified flying objects (UFOs) and a government conspiracy to hide or deny the truth regarding extraterrestrial life.
Mulder and his partner Special Agent Dana Scully work in the FBI’s X-files office, which is concerned with cases with particularly mysterious or possibly supernatural circumstances that were marked as unsolvable and shelved by the FBI. Mulder considers the X-files and the truth behind the supposed conspiracy so important that he has made their study the main purpose of his life.