Deeply Mistaken

Shen Tang, an orphan girl who was adopted by the Duke's government, grew up under the protection of her "brother" Pei Yan, who depended on each other for life, and developed a secret love. Unexpectedly, an unexpected marriage turned her from "sister" to a political pawn, and their relationship took a turn for the worse. Three years later, when Pei Yan was in power, he welcomed back the former princess with He Lishu.