This manuscript is the final installment of the "Peace and Prosperity" series. Zhu Helin ascends the throne with Su Yan's full support, and Su Yan is appointed as a cabinet minister, the young emperor rapidly maturing. The defeat and disappearance of a general promoted by Su Yan severely impacts him, and the doubts of his friend, Scholar Cui, push him to the brink of despair. However, Su Yan cleverly uses a counter-strategy to launch a counterattack. Yet, a bitter farewell on a rainy night forces Su Yan, deeply wounded by grief, to temporarily leave the capital, retreating to seclusion with Jing Hongzhui to recuperate. Soon after, Altan marches south, reigniting the war between Daming and Wanyu. Su Yan is reinstated, turning the tide and ultimately securing peace for both nations. A life of ups and downs, leaving his mark on history, his lifelong wish is for peace and prosperity.
书稿为《海晏河清》系列作品完结篇。朱贺霖在苏晏的全力扶持下登基，苏晏被任命为内阁辅臣，少年天子快速成长。苏晏所提拔的将领兵败失踪，让他备受打击，好友崔状元的质疑，将他推到了绝境边缘。但苏晏将计就计，绝地反击。然而一场雨夜诀别，身受七情伤的苏晏不得不暂离京师，带着荆红追隐居休养。不久之后，阿勒坦挥师南下，大铭与宛郁战火重燃。苏晏重被启用，力挽狂澜，最终换得两国安宁。一世浮沉，留墨青史，平生所愿，海晏河清。
书稿为《海晏河清》系列作品完结篇。朱贺霖在苏晏的全力扶持下登基，苏晏被任命为内阁辅臣，少年天子快速成长。苏晏所提拔的将领兵败失踪，让他备受打击，好友崔状元的质疑，将他推到了绝境边缘。但苏晏将计就计，绝地反击。然而一场雨夜诀别，身受七情伤的苏晏不得不暂离京师，带着荆红追隐居休养。不久之后，阿勒坦挥师南下，大铭与宛郁战火重燃。苏晏重被启用，力挽狂澜，最终换得两国安宁。一世浮沉，留墨青史，平生所愿，海晏河清。
