In this lifetime, Wen Xuchun wants nothing more than to be a humble physician who gets by without doing much. Unfortunately, the man she saves is none other than Xiao Li, the most terrifying scourge in the imperial court. He murders loyal ministers, massacres entire households, and betrays his own family by treating his enemies as his father. Everyone in the realm wishes they could tear him apart and devour his flesh. She fears him and tries to avoid him, yet time and again, she is dragged back to his side. Until she discovers the secret of a certain painting: every time she returns, she can change a piece of the past. She saves people who were supposed to die and rewrites tragedies that were meant to happen, believing she is paving the way for this madman's redemption. But with every change she makes, he sinks deeper into the abyss of political intrigue. She thinks she is saving him, unaware that he has secretly replaced his only path to survival with her.