Lim Soo-jung movies

After being institutionalized in a mental hospital, Su-mi reunites with her sister, Su-yeon, and they return to live at their country home. But strange events plague the house, leading to surprising revelations and a shocking conclusion.

A girl who thinks she is a combat cyborg checks into a mental hospital, where she encounters other psychotics. Eventually, she falls for a man who thinks he can steal people's souls.