Jack, a 26-year-old advertising planner, had planned to spend a romantic evening with his girlfriend on his birthday, but became anxious because of the overtime task arranged by his boss Smith. At the same time, he learned that his colleague Andy was unexpectedly promoted, and he was not recognized, and his emotions were on the verge of collapse. As Smith continues to delay leaving work, Jack mistakenly believes that the boss is deliberately difficult, and in anger, he rushes into the boss's office to destroy items and tear up documents. However, when he is ushered into the conference room, he finds that his colleagues have orchestrated a birthday surprise - Smith announces Jack's promotion to media director and explains that the delay was in order to wait for the late cake. When the truth is revealed and Jack finds himself tearing up his own promotion papers, his anger turns to astonishment, and he is finally overwhelmed by the cheers of his colleagues.