Based on the true story of the enduring but troubled love between Lois Wilson, co-founder of Al-Anon, and her alcoholic husband Bill Wilson, co-founder of Alcoholics Anonymous.

The members of the Parker family have had their fair share of complications. When matriarch Kate Parker miraculously survives plummeting over a waterfall in a barrel-a feat captured on a video that goes viral-the dysfunctional Par...