S5·E1 One Minute to Midnight

Immortals and Watchers are poised at the brink of war. On the orders of the Watcher Tribunal, every Watcher in Europe is hunting for MacLeod, to bring him in dead or alive. MacLeod discovers that the real killer is Jacob Galati, a Gypsy MacLeod once traveled with, who has vowed to destroy all the mortals who wear the Watcher tattoo, convinced they are all out to destroy Immortals.