A modern girl, Pei Yingning, accidentally transmigrates and becomes the neglected eldest young lady of the Pei Manor. As soon as she wakes up, she gets tangled in a conspiracy and is forced into a special bond with the cold-faced Prince of Chuyang, Yin Xiaomu.
Faced with schemes from her half-sisters, family plots and turbulent court politics, Pei Yingning uses her wit, courage and modern thinking to resolve crises and turn the tide time and again. The pair, once distrustful of each other, grow closer while tackling hardships hand in hand, uncovering secrets hidden behind everything.