The war doctor {Lu Yan} accidentally traveled to a strange world where prehistoric dinosaurs and immortal heroes coexisted, and was bound to the [Fate Selection System]. Every decision is related to life and death, resources and plot direction! Faced with primitive tribes that drink blood, immortal cultivators who fly into the sky, tyrannical prehistoric beasts, and mysterious organizations that hide in the dark and conduct cruel experiments on humanity, he plays with doctor skills + system selection: he treats diseases and saves people to earn immortal crystals, dissects giant beasts to study technology, and deciphers the secrets of cultivating immortals. He confronts selfish tribal elders, rebellious experimental children, and the resourceful mastermind behind the scenes. The peerless goddess Su Lingyue was accidentally bound to him, and the two of them joined hands to use science fiction to break the barriers of immortal martial arts amidst the roar of dinosaurs and the lingering fairy light. They used evil to play the good and evil of human nature, explored the ultimate truth of the prehistoric world, and embarked on a unique counterattack path of prehistoric immortal martial arts science fiction!
