All In - Season 1 (2003)

In Ha experiences a tough childhood as an orphan when he’s taken under the wings of his father’s friend, a gambler. He falls in love with another orphan named Soo Yeon, who has a warm and kind heart. In Ha’s close friend, Jung Won, rebels against his father’s lack of morality and starts to hang out with In Ha. However, with In Ha receiving a false charge for murder, the two go on completely separate paths. Jung Won takes over his father's casino and hotel, and after running away to America, In Ha becomes the number one gambler in the world, and enters the business of hotel and casino management. After learning that Jung Won deceives him and marries Soo Yeon, In Ha is enraged and plans to get his revenge.