Insane (, "Come to see Me") is a 2016 South Korean mystery thriller film directed by Lee Cheol-ha. It was released in South Korea on April 7, 2016.

Plot

During the day and in the middle of taking a walk downtown, Kang Soo-Ah (Kang Ye-won) is taken away against her will and brought to a psychiatric hospital, where she is locked up. The people working there refuse to answer her questions about why she was taken away, and is given "medication" drugs. If she refuses to take them or fight back, she finds that they will physically harm her in response. While pretending to be okay with everything terrible that is done to her, Soo-Ah begins to secretly write down in detail all of the horrific acts that take place at the psychiatric hospital in a journal she finds.