Subsuelo is a 2025 psychological thriller film directed by Fernando Franco and co-written by Begoña Arostegui based on the novel ' by . It stars Julia MartÃÂnez and Diego Garisa.
Twin siblings Eva and Fabián, about to come of age, are involved in a tragic incident whose circumstances are seemingly known only by them and their mother Mabel.
Adapted by Begoña Arostegui and Fernando Franco, the screenplay is based on the novel Subsuelo by Marcelo Luján. Luján reportedly supervised several script revisions and attended the set "a couple of times". The film is a Lazona, Kowalski Films, Ferdydurke Films and Blizzard Films AIE production, with the participation of RTVE, EiTB, Canal Sur, and Movistar Plus+, funding from ICAA and backing from .
The film was shot in between the Madrid region, Biscay, and the province of Segovia. Santiago Racaj worked as cinematographer.
Subsuelo had its world premiere at the 70th Valladolid International Film Festival (Seminci) on 25 October 2025. It was also programmed at the 49th São Paulo International Film Festival. Distributed by LaZona Pictures, it was released theatrically in Spain on 7 November 2025. Elle Driver handled international sales.
Javier Ocaña of El PaÃÂs assessed that after Wounded, Dying and The Rite of Spring, Franco hits rock bottom in the expression of the human condition, delivering yet "another film to make you want to slit your wrists, another magnificent film".
Manuel J. Lombardo of Diario de Sevilla gave the film 3 stars, billing it as "a journey clouded by the very forbidden and corrosive substance that runs through it", concluding that sometimes, "one could say that Subsuelo could also have been a film by the canceled and recoverable Carlos Vermut".
Pere Vall of Fotogramas rated the film 4 out of 5 stars, singling out "the aesthetic elegance and the harshness of the story" as the best things about the film.
|- | | 70th Valladolid International Film Festival || Best Screenplay || Fernando Franco, Begoña Aróstegui || || |- | rowspan = "4" | | rowspan = "4" | 5th Carmen Awards | Best Director || Fernando Franco || | rowspan = "4" | |- | Best Adapted Screenplay || Fernando Franco || |- | Best Costume Design || Esther Vaquero || |- | Best Makeup and Hairstyles || MarÃÂa Liaño, Rada Mora ||