The Banker’s Daughter and the Duke Who Guards the Nation

After her father is framed and thrown in prison, the family bank is plunged into turmoil overnight. Shen Yunshu binds her chest, changes into men's clothes, and takes over as its owner, maneuvering among the powerful. To her surprise, the cold-faced Duke who Guards the Nation sees through her disguise at a glance. Yet instead of exposing her, he presses her at every turn. What does he want from her? And what deadly secret lies hidden in the family bank she is risking her life to protect?