Ghost Physician Nan Yi took blame for father Quentin Nash, served 6 years prison for son's return. Released, forced to marry Silas Si, critically ill young master. Searching for missing child, she treated Silas, faking severe illness. Clashing, they developed feelings, uncovered their one-night entanglement 6 years prior, solving two children's identities. Joined forces to crush Sterling Si, Quentin Nash's conspiracies, brought wrongdoers to justice, protected family for a happy ending.