When a plague-like illness kills ten men inside a maximum security prison, Scully tries to get into the quarantine site and discover the cause and origin of the contagion, while…

After a detective and his former partner die in unexplained circumstances, the accidents are linked to a little girl who witnessed both deaths. Mulder believes that she may be the…

A computer with highly advanced Artificial Intelligence begins to kill in order to preserve its existence when it is deemed inefficient to continue controlling the workings of an office building.