After the wreck of wife and children, SZE SAI-LUN quits his duty bringing his mother CHIU YUET-NGO and wives PONG KOT-OI and KAR SAU-YUK traveling around the world. On their way, they chance upon the Constable SO YING-CHUN of Sin Yau County while he is chasing the criminal SAU DAI-FU. NGO is grasped by FU in the hotel. Meanwhile, the cashier NG KWAN-YAU claims that she is occupied by a ghost asking FU to repay her life. Finally FU is under arrested. NGO and LUN asked YAU to invite the 2 ghosts of LUN’s ex-wives in order to relieve LUN. LUN and CHUN witness a swordfish killing people. They doubt. LUN finally reveals YAU’s tricks. In order to slipping away, YAU then slander LUN for harassing her. LUN chances upon the HALF FAIRY – PILLOW FAIRY. In order to transform to a real fairy, PILLOW FAIRY needs to help LUN solving all criminal cases to accumulate fortune. LUN wants to shake off him for several times……