A divorced couple meet again as the manager of a wedding department of a hotel and as a groom. A murder case takes place. Sang-Hyo (Yoo In-Na) is the manager for the wedding department of a hotel. She is a perfectionist with a bright personality. once She divorced 7 years ago. She meets her ex-husband Hae-Young (Jin Lee-Han) as a client at the hotel. Sang-Hyo and Hae-Young were in love and married, but they divorced less than 100 days later. Hae-Young is a famous architect. Sung-Gyeom (Namgung Min) is the management director of the hotel and Sang-Hyo's boss. The murder case that brings about a crisis at the hotel is related with his personal history. He is in a love triangle with Sang-Hyo and Eun-Joo (Lee Young-Eun). Eun-Joo works as public relations manager for the hotel. She is ambitious with her work career.