隐秘的民间异能组织“南山猎人”中疯刀聂九罗与阳光正直、忍辱负重多年的炎拓不打不相识，经历几次过命合作后，逐渐产生信任和好感，共享同对抗地枭，守护爱与和平并终成眷属。
当犯罪学家Tankhun声称自己是他的初恋时，记者Botpleng开始怀疑自己的记忆。在好奇心和不确定性的驱使下，Botpleng着手揭开真相。是他的记忆有问题，还是他的过去被什么东西——或者什么人——扭曲了？Botpleng, a reporter, begins to doubt his own memories when Tankhun, a criminologist, claims to be his first love. Driven by curiosity and uncertainty, Botpleng sets out to uncover the truth. Are his memories faulty, or has his past been twisted by something—or someone?
大理寺少卿张翼(黄宥明 饰)，身负血仇，隐忍潜伏。明面上，他与锦衣卫沈由之（徐杨 饰）联手追凶，从对峙走向协作；暗地里，他正是操纵全局的复仇之手。当所有阴谋指向终点，一场精心策划的正义陷阱骤然收网，众人命运在此刻激烈交汇，于谍影重重中迎来最终的选择。
