After passing the college entrance exam, Han Yoo-joo, an unfortunate girl, had to take a leave of absence just six months later due to her father's fraud. While spending her days meaninglessly, she accidentally got a part-time job at a suspicious hospital run by a self-proclaimed 'specialist in fantasy disorders'... Rapid blood pressure disorder, life force leakage, sound eating, endocrine oral stenosis, and necrosis disease. As she treats numerous symptoms of fantasy disorders alongside Min-ha, Yoo-joo also prepares to gradually break free from the confines she has been trapped in... The only specialist in fantasy disorders in the country, Kim Min-ha. Han Yoo-joo, who was waiting for someone to change her stagnant life. And the suspicious neighbors lurking around Min-ha. What could be the secret of the medical records of the fantasy clinic that they unravel together?