After discovering a set of cryptic microcassettes in her new home, Cas is drawn into a meditative mystery of environmental sound and experimental music.

以精湛的藝術指導和編劇天才廣受獨立影片推崇的伊莉莎白秀荷，首部自編自導導的劇情新片。故事敘述一間面臨關閉命運的修道院，突然受命接收一個生了神祕怪病的少女柏蒂，少女柏蒂不只身染怪病，而且擁有神秘不為人知的過去。她有敏感的靈…