It tells the story of Yoon Tae-o (Minho), Han Song-yi (Park So-dam), Seo Ji-an (Kim Min-jae), Choi Hoon (Lee Yi-kyung), Oh Ga-rin (Cho Hye-jung), and Ryu Se-hyun (Jung Eugene) who use Yoon Tae-o’s rooftop as a hideout with their own reasons, experiencing the gradual growth of life in their own ways....

This drama tells the story of behavior analysts analyzing the most difficult cases, analyzing the psychology and characteristics of the murderer, and predicting their next move before they commit another crime, and assisting the local police in catching the murderer....

A romantic comedy of three 33-year-old women and their affection for lovers, families and friends....