Modern medical genius time-travels to wrongly accused Princess Seraphina Sinclair. She takes her son Aiden, opens a clinic, and uses her medical skills. She meets Prince Kian Kaelan, cures his poison, and they develop feelings. When a plague breaks out, Sera controls it. She reveals her identity and discovers Aiden is Kian Kaelan's son. The emperor decrees a marriage, and Seraphina Sinclair and Kian Kaelan marry. She founds a medical academy.