"Obstetrician Im Seo-in’s recurring dreams of an unknown man contrast sharply with her passionless marriage. After a car accident, she awakens in 15th-century Joseon as Lady Park, reliving a life eerily mirroring her own, entangled in betrayal and hidden secrets. Meanwhile, divorce attorney Yoo Han-hoon, inexplicably drawn to her, discovers their fates have intertwined across lifetimes. As past and present collide, Seo-in must break the cycle of tragedy or remain forever bound to a cursed fate.