The Hidden Face (Spanish: La cara oculta) is a 2011 thriller film directed by Andrés Baiz, who has also co-written the screenplay.

The house belongs to Emma, a German woman, who reveals a soundproof secret room intended for her former Nazi officer husband.

Belén leaves the house, placing the secret room's key on a bed for Adrián and attaching a photo of them to the mirrored door.

[4] Jonathan Holland from Variety wrote: "Andi Baiz's ambitious follow-up to the well-received Satanás does decent crowd-pleasing work, supplying the requisite jolts and nervous giggles en route to a payoff that's much stronger than its wobbly setup.

"[5] Chris Hewitt from St. Paul Pioneer Press gave a positive review, he wrote: "I'm not sure La Cara Oculta can stand up to much scrutiny — there's at least one gaping plot hole — but it's plenty of fun while its 93 minutes are zipping by.

"[6] Jordi Batlle Caminal from Spanish newspaper La Vanguardia described the film as "(according to its own director) a tribute to Hitchcock's Rebecca, Suspicion and Notorious...