The fate of two women criss cross one another in three kidnapping cases. Young's brother was kidnapped three years ago and Chun was the inspector handling the case then. Three years later, Chun takes over a fresh kidnapping case that accidentally sets off another one. However this time, the abduction is so carefully planned and meticulously calculated that it escapes all police tracking and surveillance, and the kidnapper seems to know how to manipulate Chun's thoughts. Step by step, Chun enters into a psychological tug-of-war with the mysterious kidnapper, just like Young did three years ago.