LAI-SHEUNG discovers that the plughole in the kitchen is blocked again and MA FU decides to repair it. CHI-YAN discovers some water pipes on his bed and he is shocked and angry. MA KEUNG keeps a new-model printer for CHI-LEI as a reward and LAI-SHEUNG prepares roasted chicken for CHI-YAN. CHI-LEI worries that her wet clothes in the room will damage the printer so she moves the printer to the living room temporarily. CHI-YAN, MA KEUNG and MA CHONG miss the time for dinner. LAI-SHEUNG keeps the roasted chicken for them but MA FU gives it to the doorkeeper. He even throws away CHI-LEI’s printer. Everybody complains that MA FU is too strict and they treat MA FU coldly to retaliate. In fact, MA FU is trying to play the role of the bad guy because it is hard to educate the youngsters when all of them are so nice.