shrew's nest

While browsing on Shudder, I came across Shrew’s Nest (2014); a Spanish horror and thriller set sometime in the 1950s. It revolves around Montse (Macarena Gómez), a highly religious and agoraphobic woman who spent her youth raising her younger sister, who is simply referred to as “the girl” (Nadia de Santiago), as their mother died during her birth…