An operation in Thailand against a notorious drug lord changes the destiny of a Hong Kong Police Department narcotic team. Five years later, a drug dealing brings them together again.
Following his confrontation with the nefarious DOA organization, Ken (Chow Yun Fat) is looking forward to going back to enjoying his retirement. His rest is cut abruptly short when his protégé Vincent (Shawn Yue), who's now working for Interpol, asks for Ken's help in taking down the real mastermind behind DOA, Aoi. The two head to Thailand, where DOA's former chief accountant Mark (Nick Cheung) has escaped with his daughter.
Ambitious solicitor Ngo Pak-yin’s ruthless rise costs him his marriage when his wife Rebecca Tsang Bo-lam falls for kinder fellow lawyer Patrick Lui Wing-hang. But after Rebecca is mysteriously attacked and suspects Pak Yin’s involvement, he confronts his mistakes and sets out to redeem himself with a newfound heart of gold.
