With the mystical power to delve into people’s subconscious, Ching, a psychiatrist, discovers that a social worker is compelled by an inner voice to kill his family and commit suicide. Suspecting his former psychiatrist, Ching collaborates with a cop to investigate, which leads to a revelation from her own traumatized past, and casts a doubt over her motivation. In his first bigscreen adventure, Glenn Chan delivers an exceptional psychological crime thriller that explores the dichotomy of good and evil lurking in our shadows.