Retired gambling legend Ken returns to Macau, only to be drawn back into action when his daughter becomes entangled in a global mafia scheme. Using his unmatched skills, he must stop a dangerous plot and protect his loved ones.

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.

A gambler is targeted for murder during the wedding of his daughter to his protege.