A storm is approaching Longren. The copper castle has been destroyed and the kingdom is in turmoil. The world is full of rumors, many foresee trouble. But Christopher Klin has no time for this. The second year of study at the Knight Academy has begun, and he dreams of devoting it only to his studies. But what to do if dangers and secrets are sneaking up on your heels? Incredible adventures await Christopher and his friends, Martha Sparkling and Gilbert Butt, as well as eternal rival Simon Wind. Some of them will even have to go on a sea voyage, from which it is not so easy to return alive...For a wide range of readers.