The strange sound and the mysterious happenings continuesto occur in the house. The group finally decides toinvestigate into this matter and Mr. CHONG's son, TINGSIN, is elected to lead and direct the operation. Mean-while, MON LI TAN discovers that TING SIN is actually aschizophrenics. He informs everybody but nobody believes.The group even assist TING SIN in locking MON in the basement.