Thorn MacKenzie is a Viking vampire hungry for revenge after Sparkle Stardust abandoned him centuries ago. Now he is constructing a magnificent amusement park right beside Sparkle's erotic fantasy park, the Castle of Dark Dreams. Sparkle finds that Thorn's new park is destroying her business so she enlists Kay Stanley to spy on Thorn and his business. Kay begins her mission eager to discover everything she can about the enemy but as the sexual tension between her and Thorn builds up it becomes harder and harder to see him as an enemy,