As they explore the decaying halls and rooms, they begin to experience strange and terrifying occurrences, suggesting that the hospital is indeed haunted. The film masterfully weaves together elements of psychological horror, using the characters' fears and anxieties against them, creating an atmosphere of tension and dread.

: Rumors claim that patients at the asylum committed suicide and the director went missing, leading to the belief that the building—specifically the sealed Room 402 —is cursed.

: Since the film is in Korean, high-quality, timed English subtitles are crucial for following the rising tension between the characters.

Gonjiam: Haunted Asylum relies heavily on (night vision, low-light cinematography). In a 720p x264 encode (typically 2-4 GB for this movie), two artifacts ruin the experience: