Sheng Enterprise has originated from a famous Mahjong family, and the story of Big Three Dragons begins with the game of Mahjong.
The Sheng’s has been unknown to the public, and after a match of Mahjong, it has grown into a huge enterprise for generations unexpectedly. The reason for its success and fortune is Mahjong. Time flies by, entering the 21st century, the first grandson of Sheng Enterprise, Xiao-Bai (played by Derek Chang) is being designated to inherit the family business on the day of his grandfather’s death anniversary. Yet, due to his pleasure-seeking lifestyle and lacking a sense of responsibility, he is absent from the ceremony, and his uncle Nan-Feng (played by Michael Huang) has banished him from the family. Xiao-Bai turns from a rich young elite to a poor loser overnight.
Just when Xiao-Bai is getting desperate, he has been welcomed by a real estate agent Wu-Que Shen (played by Ella Chen) to a place called Wu-Lan Palace. Receiving the help from the residents of Wu-Lan Palace, Xiao-Bai is determined to win back what belongs to him with Mahjong. But what does he have to do to help getting back Wu-Lan Palace?