Highlander The Source is the fifth and final installment of the Highlander film series, directed by Brett Leonard, and was intended to be the first film of a planned trilogy on SciFi Channel though no further direct sequels are currently planned. Adrian Paul reprises his role as Duncan MacLeod from the television series and the fourth film, Highlander Endgame. Highlander The Source is the first Highlander film in the franchise not to be released in American theatres. Instead, it was shown on the SciFi Channel on September 15, 2007.
Former Immortal Watcher Joe Dawson is called by group member Methos to find their mutual friend Duncan MacLeod. Joe finds MacLeod in a fight with the Guardian, shoots Duncan, hauls him into a truck, and drives off. They rendezvous with the others at a monastery in order to meet with an ancient being known as the Elder so they can locate the Source.At the monastery, they meet Anna Teshemka, Duncans mortal wife, who is having visions. The Elder meets them all as a group and tells of how, in ancient history, another group of Immortals sought the Source. Upon slaying the Guardian, two of the three survivors were cursed with decay, with one of them becoming the new Guardian, and the other being the Elder the third, a woman, is later implied to have been reincarnated as Anna. The Elder tells them all to follow Anna who knows the way. She, in turn, receives a vision from the Elder. Meanwhile, the Guardian arrives and attacks Reggie and Joe Dawson on holy ground. In an effort to save Dawson, Duncan throws his katana at the Guardian, temporarily wounding him. The Guardian removes the sword from his neck and breaks it before killing Joe with the broken blade and escaping. After burying Joe, they leave to find the Source, which they have determined to be on an island off the coast of Lithuania in the Baltic Sea. ........
Source: Wikipedia