Lin Wan, a modern urban professional, dies in a car accident alongside her beloved husband. But she wakes in ancient Great Zhou, in the body of Xueyan, the top courtesan at the Wanhua Pavilion. Her longing for the "shadow" of her late husband runs bone-deep. Unwilling to accept her fate, she uses her status as a courtesan and the modern knowledge she has "stolen" to survive, thrive, and build up her strength in a complicated ancient world. She has only one goal: find a way to reverse time, prevent the accident, and save her "shadow." Driven by love and obsession, she searches for the secrets of time while facing challenges and moral dilemmas. This path defying the heavens is full of thorns and demands a steep price. The story follows her struggle to rise, challenge the impossible, and discover whether she can successfully "steal back" the past that belongs to her and her "shadow."