In the underworld, there are 3 guild forces, Jethro, Magnus and Nolan vying for the top position. Among them was the Jethro guild very close to the Magnus guild. One day, the leader of the Jethro guild is killed for unknown reasons, the daughter of the murdered man is determined to avenge her father. Andrea William has married Eric Louis as the new leader of Magnus\'s command to quietly carry out his revenge plan. Andrea meets Titus Nak more and more every day, unaware that his father is the one who killed her father. The revenge begins with human life and blood, opening many hidden corners of the past, stories that have never been told before. During that revenge, Andrea felt a lot of things as well as clearly felt Eric Louis\'s love for her. Before it was too late, they were meant for each other.