Wu De Da (played by Wu Yao Han) immigrated to Britain in his early years and made a living by running a restaurant. He is known for being harsh and often scolds and humiliates his illegal immigrant cousin, Xiao Ma (played by Wu Ma). During their heated arguments, they speak without restraint, resulting in Ah Ma being deported back to Hong Kong. After returning to Hong Kong, Ah Ma works at the same restaurant as his four cousins: Xiao Yong (played by Chung Chun Tao), Q Zai (played by Meng Hai), Fat Bo (played by Li Zhi Jie), and Shi Tai Bao (played by Tai Bao). A misunderstanding arises when Ah Ma's girlfriend marries someone else, causing all the cousins to lose their jobs simultaneously. Just when everyone is feeling down, they unexpectedly receive news that De Da will soon return to Hong Kong. Ah Ma is determined not to share a room with De Da, and the four brothers suddenly remember that they had rented one of their apartment's rooms to a makeup artist named Mei Gui, who hasn’t returned in a long time. With no other options, they decide to clean Mei Gui's room in preparation for their cousin Da's arrival. But...
