The world of sorcerers and dragons, villains and heroes, whose strength lies in the magic of music. Brightwater is unlucky with the patch. A capable guy, he passes exams brilliantly, only he is not taken to the Supreme Guards. He definitely has a magical gift, only he does not know how to use it properly and ends up in prison. His noble impulses crash against the wall of intrigue of the powerful. He doesn't look like a hero at all. But kindness comes into play: a boy rescues a rat - the enchanted girl Ren. With its help, Patch must stop evil and win his main battle.