Choi Sarang had never trusted pretty much anyone in her life. Her life had always revolved around danger and getting herself killed by countless of people from the mafia society. Reason being that she was the only granddaughter of Choi Min Hyuk, the name feared by numerous gangs. Gangs all over the cities had been trying hard to eliminate the Choi family. But with both her parents and grandmother dead, the only people left in the Choi bloodline were she and her grandfather. Sarang falls into greater danger when more gangs became determined to wipe off the Choi's from the history of the Mafia world forever. But there was one thing left unknown to them, Choi Min Hyuk wants his only granddaughter dead too. 

She finds herself in a greater mess after an encounter with Kai, whom saved her on that occasion. Saving herself from getting killed was one thing but getting to know the guy could put her life in greater danger, or his too. Little did she know that Kai was a dangerous and powerful figure in the mafia society and what happens when she finds herself letting her guard down in front of him?