Wang travels to Thailand from Hong Kong to look for his mother. He bumps into Ple and Win at the airport and swaps his luggage with Ple’s. Meanwhile, Wang has arrived at his mother’s house, but she has gone away. Instead, he meets Pat, who lives there, and she thinks he is a pervert. After a few mishaps, she lets him stay with her. Win and Ple have been best friends since childhood, but Win is secretly in love with her. Circumstances have brought these four people back together, and they now live in the same building. Ple seems interested in Wang. What will happen next?