England 1174: King Richard is away fighting the Crusade, his brother Prince John has been left in charge. In order to further international diplomatic relations with Austria, the beautiful young Maid Marian is to be married off to a prince. A cursed girl who can change into a ferocious dragon is used to find and pacify Robin Hood.

In 1948, a group of miners finds a gallery full of emeralds in a salt mine in Switzerland, but they are attacked by giant black beetles and only one of them survives. In the present days, the explorer John Palmer is ready to take vacations in Greece with his family when he is contacted and invited by a stranger called Vincent to lead his team in an expedition into a mine in Switzerland. In return, Vincent offers a large amount to John and the cottage nearby a lake and the entrance of the mine for his family to spend the vacation. John accepts the offer, and while leading the group underground in the tunnels, he finds that their ambitious leader Marcel is a very dangerous man. When John meets giant black beetles in the cave, he orders the group to return but Marcel threatens the safety of his family, forcing John to lead the team to the deep location of the emerald mine.

This film is a prequel to all of the The House of the Dead video games. Set on an island off the coast, a techno rave party attracts a diverse group of college coeds and a Coast Guard officer. Soon, they discover that their X-laced escapades are to be interrupted by zombies and monsters that attack them on the ground, from the air, and in the sea, ruled by an evil entity in the House of the Dead...

Desperate to save his family's restaurant from the bank, a fireman starts a forest fire in order to rob an armoured vehicle...