After 8  years of marriage, Sungmin is finally ready to call it off. But Jmin is not ready for it. Even if Kyuhyun begged him to, Even Sungmin knelt in front of her. Even if her friends and their Family asked her to. Not until  that fateful night happened. With a very small details about the heinous crime, How would the Seoul Investigation team solve the case. With the two officers as one othe suspects?