Kim Yura has lived the perfect life as a daughter to a powerful mafia boss. She went to a prestigious college and was obedient as her parents expected her to be even when an arranged marriage was set up for her and she was unhappy because of it. And to enforce an alliance with another powerful mafia family she was married off to Kim Jaejoong, her tormentor. However, her life took an unexpected turn when Huang Tao introduced himself and showed her what love truly is. But Tao is her husband's nemesis and this fatal love affair unfolds before Yura and Tao can they truly find solace and happiness in the shadows or will their love be their demise?