NA informs SUM that she has to visit the workshop together with WAI but KEUNG indicates that the car is being taken away for inspection. SUM decides to take the public transportation in order to experience the hardship of her staff. When SUM gets off the car, a man touches her backside from behind unexpectedly. The next day everybody in LUNG FOOK gossips about the appearance of a filthy guy and KIU blurts out the indecent assault that SUM has experienced. All the staff set off to the industrial zone as to catch the filthy guy but the exaggerating look of KIU makes everybody laugh. KIU purposely acts coquettishly in front of the target but he is not interested in her at all. After that they send MAN and NA but the filthy guy still remains unmoved… Seeing that the plan of catching the filthy guy is failed, SUM suggests bringing the staff to visit the new workshop……