On the most ominous day in every sixty years, a mysterious protection by talismans in a deserted mall is accidentally breached, releasing strange orange smoke. Those who inhaled eventually became “zombies”, sparking a massive slaughter in the mall! Video store owner Sam (Philip Keung), his daughter Yan (Candy Wong), Feng Shui Master Mak (Alan Yeung) and few remaining tenants desperately fend off the zombie onslaught. But the zombies are nearly indestructible, even talismans could not stop them. And strangely, not everyone who died turned into a zombie. After battles between the living and the dead, the mall became hellish. Master Mak discovered from the ancestral scripture that these “zombies” are actually related to the “Seven Po” …