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....

The Dragon King and the Four Seas Dragon King flood Chentang Pass to force Li Jing to hand over Nezha. After Nezha kills himself and his mortal body dies, Taiyi wants to build a temple to help him be rebirthed. Taoist Ran Deng presents Li Jing with the exquisite pagoda, saying that if Nezha accepts the incense without merit, he would be attacked by the devil's heart. Li Jing cannot bear to let Nezha go astray and decides to destroy the temple to make Nezha misunderstand, while Li's mother and Taiyi secretly enshrines Nezha's tablet. The Dragon King makes a sneak attack when Nezha is resurrected, and everyone is trapped under the pagoda. The father and son, who has a deep misunderstanding, are attacked from both sides. While fighting each other, they also have to be wary of attacks from dragons and monsters in the pagoda. They decide to put aside their grudges and escape from the dangerous place. As the two enter the depths of the pagoda, hallucinations come one after another, and enemies lurking inside are ready to attack the exhausted father and son at any time. The two of them finally settle their differences and defeat the Dragon King together....