Vol 4: The Crab with the Golden Claws: A mysterious label from an empty crab tin leads Tintin and Snowy to a dangerous encounter with a gang of ruthless smugglers: The Shooting Star: Tintin sets sail with Captain Haddock to find the meteorite in the stormy Arctic Ocean, but his attempts to reach it are met with relentless sabotage. The Secret of the Unicorn: An innocent looking antique model of an old sailing ship reveals a secret that could lead Tintin and Snowy to an ancient treasure.