During the 1937 Nanjing Massacre, a postman poses as a photo developer, helping Japanese forces while secretly sheltering Chinese refugees. He later risks his life evacuating them and revealing evidence of the atrocities.

When Wang Wei's daughter is abducted by a criminal organization and law enforcement declines to intervene due to corruption, Wei embarks on a solo mission to find her. His sole ally is Navin, a determined journalist whose wife has also mysteriously disappeared. Together, this improbable pair confronts the kidnappers in a fierce martial arts confrontation, driven by an intense desire for retribution.