 The series centers on FBI special agents Dana Scully ( Gillian Anderson ) and her new partner John Doggett ( Robert Patrick ) — following the alien abduction of her former partner , Fox Mulder ( David Duchovny ) — who work on cases linked to the paranormal , called X @-@ Files . In this episode , Scully and Doggett investigate several women who had no way of naturally conceiving but who claim to have been abducted and impregnated with alien babies . Soon , Scully begins to worry about the future of her pregnancy . 
