A Las Vegas casino magnate, determined to find a new avenue for wagering, sets up a race for money.
After a young man is murdered, his spirit stays behind to warn his lover of impending danger, with the help of a reluctant psychic.
Lancelot falls in love with Guinevere, who is due to be married to King Arthur. Meanwhile, a violent warlord tries to seize power from Arthur and his Knights of the Round Table.