Jack and Wynn have been best friends since their college freshmen orientation. In many ways, they couldn’t be more different–the former an engineering major, more pragmatic, raised on a Colorado ranch; the latter an art major, more optimistic, raised in a comfortable, well-to-do Vermont home. Still, they’re bonded by a love of the outdoors, of canoeing, of fishing, and of reading.
It’s no surprise that they decide to spend August on a canoe trip in northern Canada–their goal a small village on Hudson Bay after an approximately 150 mile-long trip. Things take an unexpected turn when they realize a large wildfire rages near the river. Then, they hear a couple arguing one day in the fog. The next day, a lone man paddles up the river. . . .