LAU KAM has lost FOON by accident. He and KITTY want to find him by offering to change nappies for babies on the street, but fail. He wants to push the blame on GUCCI, but she sees through his plot. While they are wondering what to do, they receive a phone call saying that the caller has FOON. LAU KAM overhears TAI TSUN and his wife’s conversation in the toilet and suspects that they have kidnapped FOON. So he decides to investigate them.