Orphaned brothers Kutchek and Gore are adopted by a tribe led by Canary the owner of a powerful jewel. The evil Kadar wants both Canary and the jewel. Attacking the tribe he kidnaps Canary but the stone eludes him. The brothers are taken to be trained as gladiators and years later have grown to be VERY big. They escape and set off on a quest to find the jewel and rescue Canary.

Wedding guests awaiting the arrival of the bride suddenly become nervous when they notice that the table has been laid for 13... an ominous number. Their worries are confirmed when the bridal carriage pulls up outside bearing the lifeless bride and the corpses of three other guests. The suspicions rise between the thirteen guests, and the identity of the murderer is a shocking surprise.