Hyeon U is a psychiatrist. He gets fired from a large hospital due to medical malpractice. He is also dumped by his lover. Adding fuel to the fire, his clinic is about to go under. Su A gets a corneal transplant. But after the transplant, she begins to see a strange shadow of death. (Source: Kocowa)

Hyeon U is frustrated with his failing clinic and Nurse Su A, who seems to be crazy. But he soon joins Su A's strange way of promoting the clinic. Hyeon U learns of Su A's special secret, but he thinks it's a serious illness and fires her. (Source: Kocowa)

Hyeon U diagnoses his patient as a minor case despite Su A's warning, but the patient ends up committing suicide and Hyeon U feels guilty. Hyeon U gets curious about Su A's secret as she notices something that even a professional couldn't. Later, he learns that Su A is suffering from PTSD and has a horrendous past. (Source: Kocowa)

Su A has been repeatedly having the same nightmare after the surgery. She finds Hyeon U in her dream. Hyeon U thought her dream was just a fantasy but is shocked to find out that the people who appear in her dream are people related tp him. He begins to doubt his assumption that Su A is delusional. (Source: Kocowa)

After the accidental kiss in the rain, Hyeon U begins to fall for Su A. Su A's nightmare keeps changing and she sees the face of the culprit in her dream. Hyeon U learns of the secret behind the medical malpractice issue that he was framed with. (Source: Kocowa)

Hyeon U and Su A can't find the evidence in real life and get menaced by the murderer. Hyeon U is accused of killing the murderer. It's the final story of Hyeon U, a psychiatrist who's about to have a nervous breakdown and Su A, a mysterious nurse. (Source: Kocowa)