The Salvation Society is the most powerful criminal organization in Southeast Asia, engaged in rampant human trafficking, organ trading, drug production, and drug trafficking. In 2012, secret agents organized a precision plan to capture the leader of the organization aliveMu Songpa, but during the ambush, Jin Ming startled the enemy by trying to save a boy who was about to be taken out, triggering a fierce battle between the two sides. The final mission ended in failure and saved two children. Naming a boyFor Jintai, the girl is named Xiao Mei. Under the guidance of Jin Ming, the two became top snipers ten years later. During an operation, Jin Tai was surprised to find that his former mentor was actually an insider of the Salvation Society. Seeing their identities exposed, Jin Ming and Xiao Mei both launched a killing spree and blood washed the secret agent organization. Songpari successfully destroyed the spy organization through external cooperation. Faced with the deception of his mentor, Jintai has been in a state of decline for nearly a decade,But the appearance of a boy turned his life around, making him pick up his long forgotten sniper rifle and end the grudges and grievances of ten years ago.