A young girl celebrating her last night out in her hometown is stalked by a mysterious killer in a Mr Punch mask.。解放前夕，川西地下党组织遭遇国民党特务机构的全面追捕，一大批中共地下党员面临巨大危险。该片讲述了这场秘密较量背后的诸多历史细节。。