A disease targets the richest people on Earth, starting with billionaires, then millionaires, and so on, causing people to give away their assets to avoid death.The plot of the film coincides with that of the novel "Antidystopia" published in 2020.

[3] In April, Sierra/Affinity closed deals with several international distributors,[4] and in May, Daniel Brühl and Macaulay Culkin joined the cast.

[6] In February 2023, the official cast was announced at EFM, revealing Pike, Brühl, and Culkin had dropped out due to scheduling conflicts.

[7] In April 2024, cast member Jonah Hauer-King said he had recently completed ADR sessions for the film.

[13] Javier Ocaña of El País assessed that Gaztelu-Urrutia and the co-screenwriters manage to pull off a first hour "attractive in terms of plot, well dialogued and with a remarkable dramatic rhythm", yet the film becomes diluted in the second half.