Danish brilliant pre-teen student Nis uses his summer holiday to learn Latin so he can properly study the Knights Templar inheritance on Bjornholm island from sources. His friends Mathias, a dumb jock, and Kathrine, who only comes to spend time wear her dad, who really wanted a boy, prefer childish fun, but get dragged in his quest for a treasure. Mats's strength, Kathrine's connections and even Nis's bratty kid sister's blunt remarks contribute to find out about two brotherhoods, heirs of 12th century factions in the Templar order and deal with danger.
Based on a true story the film tells the story of Svend who fights to save his elderly parents' marriage even though it has made his life almost unbearable. When he meets Lizzie he discovers how big a part of his family's hatred and jealousy he himself is. The only thing left is the ultimate break off, or the ultimate forgiveness.
Police constable Møller'og psychiatrist Dr. Mogensen will have something to watch as the Pusle to everyone's surprise finds out that she can do magic. On her birthday she gets sent an ancient, magical figure from her uncle in South America. On the same day Pusle's parents has to travel to London, and the large family is now left to strict aunt Alma.