In the kingdom of Saturn they lived two brothers Marvin and Kevin. They were the sons of the king whose name was James and his wife Naomi with their daughter Carly. The boys were always up for adventure and creativity and they always know what they were going to do today and with the help of their friends they were able to build anything. Today they were going to build the tallest castle filled with magic creatures made with cardboard. They also had a pet dog who was a secret magician and had his own archnemesis the evil wizard ballin who's plans was to rule the kingdom of Saturn but was always stop by his archnemesis Lerry the dog. Back at king's palace the king and his wife were preparing to go for an important meeting at the nearby village so they put Carly in charge so she ran to tell Marvin and Kevin that she was in charge and went inside to talk to her friend Mandy. Later that day Marvin's friends came over (Belvin, Freddy and Bella) and they started the building construction and when their sister saw them she called mum and asked her to come over that Marvin and Kevin are building a castle in the backyard but she said she was in a meeting that she would come in about 30 minutes. So Carly ran out of the house to tell them that they are going to be busted but they were already finished with it and Carly mistakenly entered the castle when she was being pursued by a dog. The place was a little scary but Carly came out crying,then their mom and dad came and Carly ran to get her mom but the castle magical disappeared and Carly was very shocked and sad but she was determined that next time she will bust Marvin and Kevin.