[3][4] Upon returning from abroad to her family home for Christmas with her girlfriend Gabi and their adopted baby Joao, Aitana faces a strange situation, as her parents have seemingly replaced her with a stranger.

[7] It was shot primarily in Valencian (Catalan), featuring also dialogue in Spanish, Portuguese, English, French, and Persian.

[13] Zachary Lee of RogerEbert.com awarded the film two and a half stars out of four, declaring it as "one of the better feel-bad movies of this year's holidays, one that understands that family's embrace may be more suffocating than loving"[15] Chad Collins of Dread Central awarded the film four stars out of five summing it up as "one of the finest queer horror movies of the year" and "a gift to the Christmas horror canon".

[12] Pere Vall of Fotogramas rated the film 3 out of 5 stars citing "the great scream queen Roser Tapias and Jorge Motos; its decided, brave and original bet on genre cinema in these times; [and] the much talked about scene of the collective nudity" as positive elements.

[16] Carmen L. Lobo of La Razón rated the film 3 out of 5 stars, writing about how it "manages to maintain the tension; it is an interesting Christmas horror story".