1000 years ago, the Six Heroes drove back otherworldly monsters and saved the world. Today, the people inherit the cultivation methods they left behind, in order to carry on their legacy of protecting humanity. However, just like the truth from 1000 years ago, underneath the grandiose exterior, the cultivation world is awash with dark currents, schemes, greed, and corruption. A young man named Rust awakens in a forest without any memories, his only possession an old, rusted sword. He meets friends, battles foes, discovers the truth of his origin, and at the end, determines the fate of the world.