During the day and in the middle of downtown, Soo A is taken away against her will and brought to a psychiatric hospital. She is locked up there without knowing why. She is constantly injected with drugs and undergoes cruel violence. Soo A begins to write down in detail all of the horrific acts that take place at the psychiatric hospital. One year later, a notebook is delivered to Nam Soo. He works as a PD for a broadcasting station. Nam Soo reads the notebook and feels horrified by what happened. To uncover the truth, Nam Soo seeks out Soo A. She is now in prison as a murder suspect. Soo A is the only survivor of a fire accident, and she tries to uncover the truth of a murder that was hidden by the fire. (Source: AsianWiki)