Casino Raiders is a 1989 Hong Kong action drama film written and directed by Jimmy Heung and Wong Jing and starring Andy Lau, Alan Tam, Idy Chan and Rosamund Kwan. It belonged to the early part of the 1989-1996 period, a period when films with gambling-themed were dominating the Hong Kong movie scene. Crab Chan (Andy Lau) and Sam Law (Alan Tam) are a pair of renowned professional gamblers who are best friends. One day, tycoon Lung (Charles Heung) hires the two of them to his casino in Las Vegas to crack a scam led by a pair of Japanese gamblers, Kung (Hagiwara Kenzo) and his son Taro (Lung Fong). There, Crab and Sam also meets Koyan Tong (Idy Chan), a rich heiress from Hong Kong who was on vacation in the United States. Koyan and Sam also develop a relationship. After the three of them return to Hong Kong, Sam was being hunted down buy triads whom were sent by Kung to seek revenge.