FU is robbed during the way to purchase stock. In view of the resident’s safety, NIN suggests to strengthen up the security. He organizes security teams and encourages the residents to enroll. DAI takes the advantage to work with NIN and joins the team voluntarily. HONG and others want to protect their town and enroll to the service too. On the other hand, the members of family KIM fear that their treasures will be robbed one day and hide them secretly underground. CHI notices their ignorance and advises them to be more united instead.