Jung Seo Yeon grew up with an abusive father. Then she escaped to begin again with an affectionate and loving man; unfortunately that chapter in her life was brief. And as she struggles to find happiness, she incurs 9.9 Billion won ($9 million USD) which is enough to fund her "fights against the world." Meanwhile, the ex-detective Kang Tae Woo searches for the truth behind his younger sibling's death.