Three brothers get separated at a young age after their parents died in an accident. Jang Dong Soo, the oldest brother, followed in the footsteps of his father and became a detective. His greatest hope is to find his two brothers again and for the siblings to finally be reunited. Jang Dong Chul, the middle brother, grew up as a petty thug on the streets, using his fists and wits to survive until he climbs to the top of a crime syndicate. Jang Dong Woo, the youngest brother, was adopted by a rich family when he was a baby, and is being groomed as the heir to a casino empire. They meet again twenty years later, but unaware of their blood ties, their ill-fated paths converge on casino territory where they find themselves at odds with each other.