After transmigrating as the concubine of the Regent, Wen Wan mistakenly believes the Regent is an elderly old man, and complains about him in secret all day long. She also falls in love with the cold and handsome guard Wei Xiao, and the two agree to elope once the Regent dies. Until a night banquet full of twists and turns, Wen Wan accidentally discovers the truth: her ever-present guard boyfriend is none other than Wei Xiao himself, the Regent who holds power over the court and is rumored to be hideously ugly. A hilarious yet sweet romance unfolds from there.