Yu Xixi and Yu Chao grew up under the same roof. Yu Chao was reserved and rarely smiled, sticking to his principles; while Yu Xixi was lively, mischievous, and free-spirited. Their mother entrusted both the Will Immortal Tower and the Yu family to Yu Chao before her passing. Simultaneously, she urged Yu Chao to marry Yu Xixi as soon as possible, hoping that the two could support and take care of each other in the future. However, the two harbored mutual displeasure towards each other. Simultaneously, a scandal from fifteen years ago resurfaced in the martial world, adding complexity to the situation with intricate martial forces, grudges, and romantic entanglements. Amidst conflicts and struggles, Yu Xixi and Yu Chao found redemption, discovering their own path in the martial world. As the martial world returned to calm, Yu Xixi and Yu Chao returned to the Will Immortal Tower, renaming it "Zhao Xi Tower" by taking one character from each of their names. They didn't seek treasures or titles; they only wished to live a fulfilling and joyful life in the midst of a vibrant world....

In the Wanli Year of the Ming Dynasty, marauders team up with spies in the imperial court to frame the family of Lord Qiu, Minister of War. However, the youngest daughter Qiu Moyan is rescued by the warrior Zhou Huai'an. Before his death, Lord Qiu hands over the Ming Dynasty's coastal defense plan to his daughter, hoping to entrust it to someone who could shoulder the important responsibility of saving the dynasty. In order to obtain the defense plan, the marauders hunt down Zhou Huai’an and Qiu Moyan. The imperial court also lists the two as the most wanted criminals. To protect the defense plan and the descendant of the Qiu family, Zhou Huai’an looks for Dragon Gate Inn’s boss Jin Xiangyu for help. For the love of her life, Jin Xiangyu hides the defense map in the inn and transforms the inn into a dragon ship that stays away from the martial world, protecting the defense map until the right time comes. Unexpectedly, Qiu Moyan accidentally falls into the hands of the marauders. At the same time, the imperial court also sends Xu Yi, a crime-solving expert, to the ship to arrest Zhou Huai’an and Qiu Moyan. With different agendas, several forces fight to the death on this strange dragon ship....