The series starts with a dramatic encounter with the Japanese Whaling fleet. The episode then flashes back to the maiden launching and departure of the vessel from homeport three months earlier. Paul Watson and the Sea Shepherds head back down to Antarctica for what promises to be their most intense anti-whaling campaign yet. However, no sooner does the ship leave port than the ship's Gyro breaks and they hit a massive storm the size of Australia

Après leur victoire sur le Nisshin Maru, le capitaine Paul Watson et l'équipage du Sea Shepherd quittent l'Australie pour l’Antarctique afin de mener une nouvelle campagne - qui s'annonce particulièrement intense - contre les baleiniers. Mais les justiciers des mers doivent manœuvrer parmi les icebergs...