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