The travelers investigate the stratum where the People of the Deep mysteriously vanished long ago. To help Tehrig stay on course in this area, which has magnetic disturbances, they create a fake competitor to FIPIRATE, tricking the pirates into increasing their broadcast signal strength. Of course it also causes the pirates to put on a huge impromptu concert for all the rogues of the strata.
Spartakus guide Shagshag jusqu'au triangle des Abyssos, zone soumise à d'intenses perturbations magnétiques. Pour combattre le champ magnétique, ils provoquent les pirates en créant une radio concurrente de Fipirates.
