In the present day, Lucienne-a renowned figure in the medical field-returns to the Philippines after purchasing her family's ancestral home. What she expects to be a short, quiet stay turns extraordinary when she is mysteriously transported to the year 1870. There, she meets Luciana, a frail young woman who is her exact mirror image. With the future of Luciana's entire household hinging on a marriage she is too ill to fulfill, Lucienne is asked to take her place. Agreeing to wed an infamous former first lieutenant_who left the military to pursue medicine-Lucienne believes she has only stepped into a temporary, if unusual, life. But when she discovers a series of old letters hidden within the ancestral house, she realizes the truth is far more tangled than she ever imagined.