Su Lingyao, the legitimate daughter of the Su family, has spent three years biding her time, concealing her brilliance and keeping a low profile. Faced with infighting among her relatives and the squandering of the family fortune, she carefully devises her moves, outsmarts every crisis, restores discipline within the household, and takes charge of its affairs, rebuilding the Chancellor's family's former glory. Together with Prince Regent Chu Yushan, she finds mutual understanding and protects him as he protects her. They join forces to uncover the truth behind an old injustice, clear her father's name, and bring him back to the capital. At last, the family is reunited, and love finds its way in both directions. Enjoy clever schemes, satisfying triumphs, heartwarming moments, and lighthearted comedy as the legitimate daughter brings warmth to the entire capital.