Renowned as the top shooter in the Hong Kong police force Hartman (Richie Jen - Seoul Raiders) is considered a legend among his fellow officers. But behind the acclaim lies a skeleton buried deep in Hartman's past. A skeleton which has surfaced as his former commander and superb marksman Lincoln (Huang Xiaoming - The Banquet) is released from prison, psychotically driven by his need to exact revenge on Hartman's team.When a high-security prisoner transfer is sabotaged by a mysterious sniper, Hartman and his team are dispatched to profile the suspect. But when O.J. (Edison Chen - The Grudge 2, The Dark Knight), the team's hot-headed rookie, surprises everyone by replicating the suspect's near impossible shots, Hartman decides to take the youngster under his wing, determined not to let his new prot g become another deadly wild card.Meanwhile, Lincoln sets into motion a plan that will draw Hartman into his line of sight, replicating the fateful day which ended his career and left a hostage dead. Certain that his former colleague withheld evidence that would have seen him exonerated, Lincoln kidnaps Hartman's daughter and begins a deadly re-enactment of the events that changed all their lives with a single bullet.