张天师后人张十一，获悉被他祖先镇压在古董的恶魔逃脱了在香港作恶，于是也偷渡来港制服恶魔
恶魔先依附在一个议员祁大川身上，后转附在他女儿天真身上
大川的儿子天佑和他的女友，加上阿蕊的旧男友胡百通等几多苦难，替张十一寻回两件降魔法宝，合力一起消灭恶魔……郑则仕/Kent ChengMaster Cheung 11陈百祥/Pak-cheung ChanMaster Lum冯淬帆/Stanley FungCouncillor Stephen Kai张学友/Jacky CheungTian Yao陈奕诗/Elsie ChanCat梁韵蕊/Angile LeungMable钟发/Fat ChungThe Demon文隽/Manfred WongBo沈威/Wai ShumMan Betting on Horse Race惠天赐/Austin WaiCheung's Ancestor罗兰/Lan LawCouncil Spokeswoman邓光宙 Rover Tang- producer (as Rover K
C
Tang)罗文Norman Law黄炳耀 Barry Wong/阮继志 Kai-Chi Yun/王晶 Jing Wong刘满棠 Moon-Tong Lau/林辉泰 Raymond Lam/敖志君 Peter Ngor
