You work as a nurse. You were transferred to neuropsychiatry from the internal medicine department. This is your first time working in neuropsychiatry, so everything is difficult and awkward for you. Despite this, you try your best to treat patients and you grow as a nurse with the help of Head Nurse Song Hyo-Jin.

Meanwhile you become friends with Song Yu-Chan. He seems like a very intelligent person, but he harbors pain inside him that no one knows about.