该剧主要讲述了1950年，国民党特务勾结日本遗留特务，妄图用细菌武器对新生共和国政权进行破坏，共和国卫士最终粉碎敌人阴谋，保卫新生的共和国政权的故事。。The second season was also set on Vancouver Island, in Quatsino Territory, located near Port Hardy, British Columbia.。