Insane (Hangul: 날, 보러와요; RR: Nal, Boreowayo), a 2016 South Korean thriller film, revolves around the story of Kang Soo Ah who is kidnapped during broad daylight and in the middle of downtown. She is taken to a psychiatric hospital, locked up, getting drugs and is torture. Soo-a begins to write down in detail all of the horrific acts that take place at the psychiatric hospital.One year later, Nam-soo - a programming director for a broadcasting station decides to seek Soo Ah to uncover the truth.