On her first day at the job, Su Wanwan discovered that her immediate boss, Lu Yan, was a walking troll. If she makes a mistake, he will make a fool out of her. She had made a meritorious deed, but he insisted that she was a blind cat who met a dead mouse. The two went from being dissatisfied with each other to being forced to work together to tackle the project, but unexpectedly discovered that there was a fatal attraction hidden in each other. When Green Tea's ex-girlfriend makes a comeback, Lu Yan's poisonous tongue suddenly becomes a weapon to protect his shortcomings. It turns out that complaining is not a lever, but true love.