Follow Yoona, the daughter of Lucifer, as she travels to the mortal world to complete a task assigned to her father by Eros the cupid. Her mission is to make Global K-Pop Superstar Jennie Ruby Jane Kim fall in love with someone.   But when her father is called away on important business, Yoona must

Yoona's life took a sudden turn when her parents threatened to cut off her financial support for studies unless she took her law studies seriously. Despite this, she now faces a different kind of obstacle in the form of her roommate's stepmother, Jessica, with whom she is having an affair, and Jessica's stepdaughter, Jennie, who seems to be drawn to Yoona like a magnet. Despite Yoona's attempts to keep these two women at bay, they keep coming back for more.

Yoona was an orphan who was adopted by an abusive man, so she decided to flee her home and work her off on her own. She then met Jessica Jung, an actress and wealthy woman, for the second time. However, there is a significant age difference between the two: Jessica is 36 and Yoona is 30. Yoona took advantage of the fact that Jessica came from a wealthy family to become close to her so that she can survive in this harsh world. Jessic

Yoona Lim and Kang Seulgi are well-known influencial Detectives and someone hired them as a personal Bodyguards by a rich people in order to protect their daughters at all costs and that bring them to something changeable in their own lives.