After being reincarnated as Lena, a minor character in a novel, Ji So-eun quickly becomes the subject of scandalous rumors due to her intimidating presence—rumors that claim she can seduce any man with a mere glance. Taking the gossip seriously, the Crown Prince tasks her with seducing the male lead, the cold and powerful Duke. Certain he’ll fall for the heroine as planned, Lena accepts the deal without hesitation. But when the Duke begins to fall for her instead, Lena finds herself entangled in a romance that was never supposed to be hers.