Lu Xuanyi transmigrates into the body of a villainous master who shares his name. Originally, he intends to rely on his knowledge of the original story to quietly survive until the very end. However, unable to bear watching his three disciples meet their tragic fates, he begins removing the hidden dangers in their Heavenly Mandate foundations. Yet the process is so unbearably cruel that everyone believes Lu Xuanyi is an utterly despicable master. But when the truth finally comes to light, everyone is left regretting their judgment.