Growing up with a mobster father, Joomi never had the luxury of being "normal." Despite the wealth and constant company surrounding her, she always felt alone, wanting to break free and live an ordinary life. But her hopes are forever shattered when she encounters Jeong Yoongyo, a cold-hearted successor to Korea's biggest mob clan. Their chance meeting ignites a forbidden romance, leading to a fateful night of passion with grave consequences. Despite all the risks and odds, fate and desire draw them together, forcing them to navigate the perilous waters of their conflicting worlds.