In order to avenge her family, innocent girl Qing Cheng was trained to be a cold-blooded killer. After several murders, she decided to let go of her grievances and spend the rest of her peaceful life in Anle Village, where she met the kind Bang and tied the knot. While Qing Cheng lives a dull life hiding her martial skills, Jianghu sinks into another wave of turmoil. In order to maintain the peace of Anle Village, Qing Cheng stepped up again and became the guardian of the village.

As humans develop faster and faster, more and more garbage is produced, and environmental pollution is becoming more and more serious. With the global advocacy of environmental protection, PDR Biotech uses gene fusion technology to create a “super cockroach” that claims to be able to quickly eliminate any garbage and is safe and controllable. Company leader Victor is ambitious and wants to use the super cockroach to change the world, so he rented the entire freighter with the super cockroach to show technology to the world. Unexpectedly, on the way to the destination, hundreds of thousands of super cockroaches on the ship suddenly lost control and attacked and swallowed all the creatures on the ship.

The film tells that in ancient times, the emperor Ming sent Dongchang Supervisor Gao Dehai to lead a fleet to the East China Sea to seek the fountain of youth. Unexpectedly, he was attacked by a dragon on the way, sunk the ship accidentally, and the fleet strayed into the deserted island to take an adventure. Jin Yiwei's guard Yan Lie came across "the last shark man in the world"—the beautiful and kind Xiyin, and the story of his love with Xiyin