You've followed the portageurs as they endured snowstorms, health problems and leadership changes. You've watched as they crossed into Quebec and past the half-way mark. And you've met the personalities leading the Ark of the New Covenant, such as Dominic, 60, whose has returned to the practice of his faith during the course of the 1000 km walk. On tonight's Week 5 episode, the portageurs are reduced to a small number as they leave Montreal Island. You'll get to know Myriam, 19, who has found the very-public nature of this pilgrimage to be challenging. You'll also encounter Merven, who this week celebrates the 20th anniversary of his sobriety and reflects upon a friend's death. 64 Days with the Ark airs Fridays at 8 PM, with repeat presentations Saturdays at 12:30 PM, Sundays at 6 PM and Tuesdays at 5:30 PM (Eastern Standard Time).