Lota, 1897. In the depths of the largest coal mine in the world, a great rebellion is brewing inside a man's heart.
Elena, a young writer who returns to Chile after five years and meets her great friend Fernanda and her husband, Alejandro, who tries to seduce Elena without knowing that she is a lesbian. When Fernanda discovers that Alejandro is being unfaithful, she pretends to have an affair with Elena in a way to punish him.
