Austėja, a child whose parents are always too busy with work, and Martynas, a quiet boy who is keeping a big secret, are left with Austėja's grandparents over autumn break. Expecting to be bored to death in the countryside, the kids are soon proven wrong. Austėja’s grandparents disappear during a mysterious storm, leaving behind only knowledge about a hidden treasure to be found. Austėja and Martynas, accompanied by two countryside kids Rytė and Augustas decide to go look for it, setting off a narrative full of adventures, challenges and lessons about the world.