The manifold themes of “Northern Skies over Empty Space”—there’s revenge, the upending of gender roles, heroism, searching for water in a barren land, a patriarchy on the wane, a natural habitat that is threatening—are something to behold, yet filmmaker Alejandra Marquez Abella has directed an evocative and everchanging film, which opened at Berlinale over the weekend, that draws on multiple narrative threads convincingly.