Dicey Business (Traditional Chinese: 賭場風雲) is a 2006 grand production drama by Television Broadcasts Limited.

The talented gambling artist, Cheung (齊歡暢) (Bobby Au Yeung), entered a worldwide card playing tournament when he was 18 years old and was regarded as the favorite to win.

Due to the distraction, Cheung also became separated from his 3 year old younger brother, Lok (齊歡樂) (Bosco Wong).

One night, Wan (李青雲) (Jessica Hsuan) stays at the casino, trying to win money.

(Cheung needs to go back to Hong Kong to visit his parents, but he's scared for he lost his brother and feels too ashamed to face them).

Once they arrive, Cheung asks Wan to bring him to Mong Kok, where he lived before he left.

He has to conform to bad people by secretly stealing Onisac's money, soon being consumed by greed.