Three couples of friends meet in a house to celebrate the birthday of one of them. A relaxed conversation about romantic comedies will be the starting point of a weekend in which mistrust and uneasiness will reign.
Mónica meets Joaquín in a bar to tell him about the strange phenomenon that is happening to her: everyday everyone around her starts to dance out of nowhere.
Vitoria-Gasteiz, Pays basque, Espagne, 2019. Deux cadavres apparaissent dans la crypte de la vieille cathédrale. La policière Unai López de Ayala, experte en profilage criminel, doit traquer le tueur rituel qui terrorise la ville depuis deux décennies.