Actress Tang Rou, after failing an audition, falls into a well and transmigrates into an '80s romance drama as a villainess destined to die in childbirth. Armed with knowledge of the plot, she strives to save her future husband Si Chengzhou from bankruptcy and secure her place as his wealthy wife—while battling his distrust and the arrival of the female lead. Through perseverance, Tang transforms from a hated figure to the family’s beloved matriarch, helping Si’s business recover and bearing him twins.