Exclusive: Tracee Ellis Ross (American Fiction) is in production in New York City on Blow the Horn, an indie psychological drama marking the first narrative feature from writer-director Nacho Arenas.

The project is an adaptation of Bajo Terapia, the acclaimed Argentinian play by Matias del Federico, which has previously been adapted by Spanish filmmaker Gerado Herrero. Others in the cast include Wrenn Schmidt (For All Mankind), Dallas Roberts (Monsters), Joshua Boone (A Jazzman’s Blues), Ken Leung (Industry), and Lake Bell (Mother Couch).

Set in contemporary New York, the story follows three couples summoned to a group therapy session with their psychologist, where personal secrets and simmering tensions are exposed. The plot takes a strange turn when the hot shot therapist unexpectedly fails to show up, leaving the couples to confront their issues without guidance.

“I was immediately captivated by Matias’ play the moment I read it and adapting it for...