Um condecorado atirador de elite da Marinha americana volta à ativa para desmontar uma conspiração com objetivo de matar o presidente, mas acaba acusado de assassinato.

A história se passa em uma Tokyo em um mundo paralelo, onde magia, dragões e elfos existem. Nela, policiais com poderes especiais lutam contra uma organização chamada Nine, que busca o poder de antigos dragões.

When a secret police operation fails, sniper Lee Ho-yeung develops a personal grudge towards his co-worker Ko Chun-kin. Ho-yeung eventually decides to leave the police force and becomes the president of a firearms association, colluding with organized crime on the sky. Through abusing the trust of an unknowing detective and the trust of his girlfriend who still works with the police unit, Ho-yeung has secretly been working against Chun-kin, who has been kept in the dark the whole time. But when Chun-kin starts to suspect the clues within multiple murder cases, a tense standoff between the brothers unfolds.