Lin Wantang unexpectedly enters the world of a novel and becomes the vicious supporting female character who must complete assigned missions. Although she pretends to be domineering on the outside, she is constantly apologizing in secret in her heart. To her surprise, the villain, Jiang Muli, can actually hear her inner thoughts! The harder she tries to maintain her character, the more clearly he sees her kindness. One misunderstanding after another gradually sends the original storyline off course, and through their bickering and mutual assistance, the two slowly grow closer.