He Lingling, a modern-day office worker, faces a barrage of problems at work: a sexually harassing boss and a manipulative supervisor, along with colleagues who shirk responsibility and steal credit. These workplace issues drive her to depression and suicide, but she unexpectedly gains a "workplace magic weapon"—a single slap can make someone obey for three minutes. Thus, He Lingling begins her journey through the workplace, breaking rules against blame-shifting, credit-stealing, sexual harassment, and malicious competition, and also finding love. Just as she's basking in the rewards of her magic, she discovers the heavy price to pay. What connection exists between this life-threatening magic weapon and her boyfriend, a wealthy heir who's lurking in the shadows as an intern?
