Once a theater actress, Asumi ties the knot with Ryouhei and helps him achieve his dream of becoming a celebrated screenwriter. Despite her being responsible for their child and managing household chores, their relationship is strained as his work takes priority. Convinced that she played an instrumental part in his triumph, Asumi's faith is shattered when she discovers he has been unfaithful. Vengeful and unforgiving, Asumi meticulously plots revenge against her husband and his lover with a scheme that involves the entire drama industry.