"My Dear Patient No. 44" tells the story of the amnesiac hero Andres who wakes up in the cemetery of the madhouse, only remembering that the madhouse has a great relationship with his missing sister-Marie, so he pretends to be a doctor and sneaks into the hospital to investigate. Unexpectedly, all the patients in this lunatic asylum have the same appearance, and even monsters attack him, trying to prevent him from finding his missing sister...