 To Be  and " Not To Be " ( 1998 ) , the series finale , respectively depict MacLeod dreaming of a world in which he was never born . Vandernoot reprise her role as Tessa , this time never having met MacLeod . Tessa lead an unsatisfactory life in which she have a husband and children , but is forced to sacrifice her art and sculpture . In this storyline she have an affair with MacLeod but feel she have betrayed her husband .