Jo Min Hyeok was born into a wealthy family. He frequently acts out without regards for others. He loses his girlfriend and unborn baby in a hit-and-run accident caused by Ahn Do Hoon. Kang Yoo Jeong, being a loyal girlfriend, goes to prison in place of Do Hoon. Thereinafter, Min Hyeok swears by his deceased girlfriend to wreck havoc on the person who left the two most precious people in his life out to die. After serving time in prison, Yoo Jeong is then betrayed by Do Hoon. Meanwhile, she is constantly being tormented by Min Hyeok who refuses to let go of his taste for revenge.
