The Incredibly valuable Six Gems is stolen from a fortress-like jewelry establishment in medieval China. The plot thickens when the #1 suspect, Pan Chen-Feng (played with sinister glee by Lo Lieh) is mysteriously poisoned in this unique Asian who-dun-it murder mystery.
During an ever-growing epidemic of zombies that have risen from the dead, two Philadelphia SWAT team members, a traffic reporter, and his television-executive girlfriend seek refuge in a secluded shopping mall.
A young woman collapses on the disco dance floor of what's revealed to be strychnine poisoning. Assuming that this is an attempt at suicide, her boyfriend and doctor have her committed to the Fifth Floor, an asylum with obviously crazy inmates and a predatory orderly.
August in Brittany at a seaside hotel. Some guests are new, some come every year and are friends. The men nearing middle age fish and plan infidelities; their wives have surprises of their own in store.