Su Xiao, a beautiful shot-putting girl with strange powers, accidentally traveled into the comic "Oh, My Beloved Concubine" she was following and became the heroine Su Xiao! A series of "surprises" unfolded in front of her: Su Xiao's CP male protagonist, King Shu, was unexpectedly beaten for love by the villain's eldest sister, and Su Xiao was actually betrothed to the annoying second male lead, King Rui.

Su Xiaoyi changed Su Xiao's silly and sweet character setting and transformed into Niu Colu Su Xiao. While fighting wits and courage with the villain's sister, he also started a romantic love affair with King Rui that spanned reality and comics.