Zhong Ziran, codenamed "Lone Wolf", was once a sharp sword in the army, but was discharged from the army due to the stigma of a cover-up border murder. Five years later, a corpse engraved with old codes appeared and dragged him back into the abyss. In order to clear his grievances and find his missing life and death partner Gao Kexi, he must break into the fog alone and use fists and bullets to launch an endless reckoning against those high-ranking betrayers.
