Polish director Jan Komasa might be best known in the United States for his 2019 Oscar-nominated film, “Corpus Christi,” but his biggest box office success was in Poland, for his 2014 film “Warsaw 44,” about the Warsaw Uprising, the bloody effort by the Polish resistance to expel the occupying German army from Warsaw toward the end of World War II.

Komasa knows authoritarianism in its most flagrant, brutal forms, but his new film “Anniversary” imagines a scenario in which fascism doesn’t stomp in jackboots but creeps, pretty and ladylike, on kitten-heeled feet. It’s a thought experiment more than anything else, from a story by Komasa and Lori Rosene-Gambino, who wrote the screenplay.

“Anniversary” maps five years in the life — and obliteration — of an American family, a microcosm of a la

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