The head of an elite Hong Kong surveillance unit keeps one eye on his rookie apprentice and the other on a notorious criminal he suspects of masterminding a recent jewel heist in this tense thriller from filmmaking duo Johnnie To and Nai-Hoi Yau. Of course, the criminal knows all along he's being watched. But that doesn't stop him from trying to pull off the biggest score of his career.

• Milkyway Image
• Simon Yam
• Tony Leung Ka-Fai
• Kate Tsui Tsz-Shan
• Maggie Siu Mei-Kei
• Lam Suet
• Eddie Cheung Siu-Fai
• Jimmy Wong Wa-Wo
• Him Law