Young-goon, mentally deranged and frequently electro-charging herself with a transistor radio, has been admitted into a mental institution. Firmly believing herself to be a cyborg, she refuses to consume like a human being. Il-soon is another patient, who catches the eye of Young-goon and soon becomes a close friend. Il-soon is now confronted with the biggest task – to cure Young-goon’s mental problem and have her eat real food.
Ji-wook is a cold-blooded detective who would brutally assault and stop at nothing to catch criminals. However, despite her perfectly masculine appearance, Ji-wook struggles with a secret desire to be a woman. At last, Ji-wook decides to transition. However, a gang Ji-wook brutally arrested by force plots revenge against him. While Ji-wook resigns and secretly dreams of transitioning into a woman, people close to her get caught up in a conspiracy and killed. When the one person he must protect, Jang-mi, also falls in danger, Ji-wook faces a crossroads in making his choice.
While investigating the school files, the frightened teacher Mrs. Park startles and calls the young teacher Eun-young Hur, telling her that the deceased Jin-ju Jang is back. The line dies and Mrs. Park is attacked and killed by a ghost. On the next morning, the teenager Jae-yi Yoon waits for her friend Ji-oh Lim, who has the ability to call the spirits, and they begin a close friendship. The abusive and aggressive Mr. Oh, a.k.a. Mad Dog, is the substitute of Mrs. Park and prohibits Ji-oh to paint and compares the performances of the pretty So-young Park and the weird Jung-sook Kim, raising a barrier between the two former friends. Miss Hur misses her former friend Jin-ju, who committed suicide, and while trying to contact her, she discloses a dark secret about the past of her friend and Mrs. Park.
A man on deathrow wants to taste “doenjang jjigae” (a spicy Korean bean paste stew) before he dies. Television producer Choi Yu-Jin (Ryoo Seung-Ryong) hears of the inmate and researches his story for an upcoming news report. Choi Yu-Jin then comes across a mysterious woman named Jang Hye-Jin (Lee Yo-Won) who makes doenjang jjigae that brings tears of joy to those who tastes her recipe. As Choi Yu-Jin delves further, he learns of Jang Hye-Jin’s heart breaking relationship with Kim Hyun-Soo (Lee Dong-Wook).