An ordinary nine-to-five woman is unexpectedly drawn into a wealthy elite family, where she learns that real high-society life is nothing like the fantasies—setting off a string of witty, romantic, and laugh-out-loud moments.

A young boy, Xingxing, is transported into the body of 33-year-old fireworks executive Song Shijing, navigating a double life while uncovering the cultural and emotional significance of fireworks across three generations.