Jin gets poisoned after trying to quit being a spy of the heavenly demonic clan. But he returns 8 years back in time under suspicious circumstances.  With a fresh start in his hands Jin plans to steal the martial art one of the four demonic generals used, the Pristine Jade Claws. But he is short on time as the demonic general is fated to discover the manual during one of his travels in two years' time. With a martial art that managed to catapult a first rate soldier into the second highest rank of the heavenly demonic cult in the span of six years he could become a matchless martial master. All he has to do is get there first.