Song Xuan, the orphaned daughter of a military family, is forced into marriage with Bai Manchuan, a notorious playboy from a declining noble house. Determined to reform him, she imposes strict discipline, gradually transforming him into a capable and responsible man. But when a deadly court conspiracy threatens to destroy his family, the two are pushed to fight side by side for survival and justice.

Gao Chunlan, a privileged heiress bound by fate, unravels love and betrayal across reincarnations as design becomes her weapon to rewrite destiny.