Mouse (2021)
Mouse explores the intricacies of good and evil in a psychological thriller. The narrative centers on Jung Ba-reum, a new police officer with a strong sense of justice, whose life is completely upended when he becomes entangled in the case of a serial killer who kills innocent people with brutality. A terrifying mystery emerges when a small child named Choi Hong-ju is found to be involved in these killings, forcing Ba-reum to face a terrible reality about human nature.