His furious and somewhat violent reaction leads him to run to escape from his boss and hide from him in the first place he finds when leaving the office: a closet loaded into the van.

That same night, an unexpected impulse leads Damián to stay with the family to become a mysterious presence that he will observe and move from the shadows.

[5] An adaptation of Juan José Millás' novel Desde la sombra, the film was penned by Félix Viscarret [es] (the director) alongside David Muñoz.

[9][5] It is a joint Spanish-Belgian international co-production, produced by Tornasol and Desde la Sombra Árbol A.I.E., alongside Entre Chien et Loup, with the participation of RTVE and Movistar+.

[16] Beatriz Martínez of El Periódico de Catalunya rated the "strange and risky" Staring at Strangers film 4 out of 5 stars, otherwise pointing out how it is a picture "full of findings, twists, and turns" in which the spectators somehow all become voyeurs.