Glin, the son of Lanfeust and Cixi was kidnapped by the dangerous pirate Thanos. The valiant team of the stars then goes in search and is about to face a thousand dangers. Between worrisome swamps, blood-sucking creatures and primitive batracides, Lanfeust, Cixi, Hebus, Swiip and Quam are not at the end of their sentence! What they still don't know is that Glin is gradually progressing towards the dark side.