After people in his town start turning up dead, a grumpy landlord is visited by a man who recounts an unsolved serial murder case from 30 years ago that may hold the clue to what is happening now.

A group of mysterious thieves breaks into the office of Cho Seongchi, a famous novelist. The thieves demand Cho Seongchi to open the office’s safe, but Cho Seongchi also struggles to unlock it. As time goes by, the somewhat clumsy thieves are being swayed by Cho Seongchi.

Yoon-hye likes Da-joo more than just as a friend but denies her feelings for the sake of their friendship. After some events following Da-joo being introduced to a boy, Yoon-hye is not able to hide her emotions anymore.