Yukon Territory, Canada, November 1931. Albert Johnson, a trapper who lives alone in the mountains, buys a dog almost dead after a brutal dogfight, a good deed that will put him in trouble.

Monika Donner is a transsexual elite soldier, a front figure for gender rights and an author celebrated by the political right-wing. She, who was once a he, quickly becomes a lone fighter between the ideological fronts.