TV.com

Both Freddy and Cara are really, really tough. They aren't afraid of anything. One day Cara is over at Freddy's house playing and they got into a fight, like they always do. This time it got out of control and they knock over a china cabinet. Behind it they find a secret door and decide to see where it goes. They open it up and they can't see anything because it is totally dark. They go and get some flashlights so they can see. They go into a tunnel and find a door. They open it and find a coffin. They open it and find an empty bottle. Freddy accidentally knocks the bottle onto the floor. The bottle opens and a green mist comes out of it. It smells really, really bad and made Cara and Freddy gag. Freddy put the lid back on the bottle and the smell was gone. There was a person in the coffin now. The person woke up and said his name was Count Nightwing. He was a vampire and he was thirsty. He started to run after Cara for her blood. Cara and Freddy ran to the room with the air hockey in it, but the door was closed and there was no handle on their side. But when he went to drink Cara's blood, his fangs were gone. He needed the bottle of Vampire Breath to go back to his right time. But when he gets back he had taken them with him. They finally got back to their time and thought they were totally safe, when they found a bottle of Werewolf Sweat....