Twin sisters Julia and Sara (each played by Belén Rueda) both suffer from a degenerative eye disease that robs them of their sight; Sara lost her vision completely, and it’s only a matter of time before Julia’s sight follows. The film begins with the death of the blind Sara, apparently being menaced by someone in her home, then hanging herself. Details surrounding Sara’s death don’t add up for Julia, however; why would Sara kill herself? She was scheduled to have an operation to restore her sight, and she just met someone. Julia and her husband Isaac (Lluís Homar) begin to investigate, but time... read the rest.

Failing eyesight runs in the family here as the blind "Sara" apparently takes her own life in the basement of her home, leaving sibling "Julia" (Belén Rueda) - herself with irreversible eye problems of her own - left to investigate just what happened. Everyone is convinced it was suicide, but not "Julia" and when she and husband "Isaac" (Lluís Homar) have to temporarily move into her sister's home she begins to piece together a puzzle that involves the specialist eye clinic they both attended, a mysterious boyfriend and some very sceptical police officers led by "Dimas" (Francesc Orella). The f... read the rest.