Several friends travel to Sweden to study as anthropologists a summer festival that is held every ninety years in the remote hometown of one of them. What begins as a dream vacation in a place where the sun never sets, gradually turns into a dark nightmare as the mysterious inhabitants invite them to participate in their disturbing festive activities.

Ambitious, impressively crafted, and above all unsettling, Midsommar further proves writer-director Ari Aster is a horror auteur to be reckoned with.