Yunifer Magnolia already knows how her life ends, as she is actually a modern-day woman who transmigrated into a love story. When Grand Duke Ishid Lucrenze falls in love with her best friend, Raelle Carnia, Yunifer grows into a jealous villainess and is eventually killed for relentlessly tormenting Raelle. Thankfully, Yunifer lands at a point in the story before these events unfold and swears to prevent her grim fate.

Despite Yunifer's best efforts to avoid Raelle and Ishid entirely, her plan is thrown into disarray when she wakes up in bed with Ishid by her side. Caught in an awkward situation, Yunifer decides to play along with the suddenly smitten Ishid and become his lover with the intention to step aside once he meets his destined Raelle. But Ishid's genuine affection stirs something inside Yunifer, and she finds herself falling for the handsome hero, ready to turn her ill-fated future into a romantic happy ending.