KIU KAM FA, hypnotized by CHONG's lawyer - YEUNG, leads the group to believe that she is possessed by CHONG's spirit. Everybody is fooled with the exception of Detective PAO who plans to investigate. In the mean- time, CHONG's son, TING SIN, has turned schizophrenic and altered personalities. He traps a member of the group in the basement and proceeds to torture them. However, MON arrives, in the nick of time, to save the victims but is not quick enough to defuse a bomb planted by TING SIN. The explosion causes much damage to the room but luckily nobody is hurt. In the meantime, PAK FU YUNG disappears and MON, fearing that TING SIN might harm her, locks TING SIN in the basement. The film siren, LAM LAM, discovers a boat anchored near the island, everybody packs to leave only to discover that the boat malfunctions……