Ling Han's aura as a king is surprisingly related to the enormous psychological trauma of his childhood caused by the mysterious disappearance of his father Ling Wei. A certain biological group tycoon Sima Feng invited Ling Han to explore the Huaxu civilization that suddenly disappeared 4600 years agoAnd the mysterious power of transcending life and death in legends. In addition to the huge compensation, Sima Feng displayed the image transmitted before the entire vanguard was destroyed - a clue that Ling Han could not refuse. After experiencing the secret realm of the Heavenly PitAfter facing life and death tests such as underground humanoid creatures, Ling Han finally led his team to reach the final ruins of the Huaxu civilization, the "Fog Hidden City". His father's risky exploration of this place and the true purpose of Sima Feng's trip was revealed.The ultimate secret of Huaxu civilization appeared in front of everyone. Sima Feng's actions triggered the 3000 Huaxu warriors who transformed into "undead warriors" 4600 years ago to break through their coffins and protect their tribe.Faced with the ancient bacteria that were about to spread to the ground and the inevitable outcome, Ling Han resolutely walked towards the end of solving the problem.