It is said that Uno has snared the operations of a casino from its deceased owner. To clear his name, he brings back the sole heir, Jack, from Canada, but Uno has to take charge as Jack is incapable of taking over. Jack leaves and meets Smiley, a simple girl with good fortune. Together, the pair conquer the poker rooms in Macau. Jack eventually works with Uno's arch-rival, Ms. Fong, to beat Uno.
In Macau, rumor has it that Uno Cheuk has snared the operations of a vulnerable casino from its deceased owner. In a bid to clear his name, he brings back the sole heir, Jack Chang, from Canada. However, Uno has to invoke the owner's will and take charge of Jack's family business as Jack has neither the instinct nor the skills to take over.
Then, Jack runs into Smiley, a simple girl with unstoppable good fortune. Together, the pair conquer the poker rooms in Macau. Jack eventually works with Uno's arch-rival, Ms Fong, to beat Uno. As Jack issues a personal challenge to Uno, it becomes clear that it isn't only bragging rights at stake, but also the throne to the gambling empire that Jack's father had built.