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.
The film introduces people who live like a French film. A mother who chose euthanasia leaving 4 daughters behind, a woman who has 100 days left in life and a nerdy guy waiting for a girl named Gihong.
Min-Jun and Ji-Won are first-rate "players" who are dating gurus with 100% success rates in any dating pursuits. Following her usual systematic dating rules, Ji-Won fakes a car accident to capture Min-Jun's attention and successfully approaches him. However, her smooth-sailing dating life finally encounters turbulence. Min-Jun is also overwhelmed by the understanding that he has met his match.