After ten years of being best friends, it has been six months that they have become an honest and confident couple. But because of a mistake, they started a secret relationship? A web sitcom about the real love of nineteen-year-old students.

Prince Lee Hwan receives a cursed letter from a supernatural entity detailing several dark predictions for his future and is horrified to realize that the curses are indeed coming true one by one. Min Jae-yi, on the other hand, finds herself wanted by the local authorities after being unjustly accused of murdering her family members and unilaterally calling off her arranged marriage.