Ah Ren (played by Sam Hui) from the bakery, and Ah Shen (played by Tsui Hark) and Ah Qing (played by Teddy Robin) from the trailer factory all lost their jobs due to a minor car accident. Ah Ren had to lie to his mother who raised him, while Ah Qing followed his good friend Ah Shen home and temporarily lived under the same roof. As the saying goes, there is no acquaintance without fighting, the three became good friends because of this incident and eventually entered the Emperor Noodle Factory to work, but they encountered trouble on their first day at work. The workshop director (played by Ng Man-tat) and the factory manager were nepotistic and reversed right and wrong. In order to protect a woman who made a mistake, they tried to fire the three and take the blame. Thanks to the help of Ah Mei (played by Joey Wong), the chairman's daughter, they kept their jobs. Since then, the three good friends, together with Ah Mei, have started a hilarious battle of wits with the corrupt factory manager and his gang...