Luego de que una fuerza misteriosa diezmara a la humanidad, surge un peligro aún más siniestro... Esta película ambientada en Barcelona expande el universo de «Bird Box: A ciegas».

Mark, an undercover cop, is hiding in the world of underground combats from a secret mission that went wrong. He meets Sandy, a beautiful prostitute and a lost soul like him. When Mark is found, everything will fall apart and he will have to save the day.