A huge weather system moves in and the ship is forced to take shelter behind a large iceberg. They are surrounded by ice so thick they can no longer move and it threatens to severely damage the ship.

The Sea Shepherd volunteers gather intel on the Japanese fleet's location and realize that they are low on fuel. Then, they come across the entire Japanese fleet searching for one of their crew members who has fallen overboard.

The Sea Shepherd finds the Japanese fleet searching for a crew member that fell overboard. The Captain orders his crew to head back to port. There, a stranger hands the captain a letter filled with a mysterious white powder.

The ship is quarantined at port and the crew anxiously waits to find out if they have been exposed to Anthrax. Later, a crew member quits the campaign.

Surrounded by the Japanese whaling fleet, the Sea Shepherds ready themselves for their biggest day of battle on the campaign. Helicopter pilot Chris confirms the crew's fears: all of the whaling vessels are equipped with LRAD weapons.

Captain Watson is in pursuit of the Japanese factory vessel when all three Japanese harpoon ships suddenly appear out of the fog. The Sea Shepherds are completely outnumbered.

As the Sea Shepherds prepare for their fourth straight day of engagement with the Japanese whaling fleet, they argue about the best strategy for attack.

The Sea Shepherds continue to engage the Japanese fleet. The crew begins to question the effectiveness of their tactics.

The Sea Shepherds are shocked and furious when the Japanese fleet pulls a dead whale onto their ship for slaughter. The Captain instructs the crew to prepare for battle.

The Sea Shepherds continue to attempt to disrupt the whaling fleet's operations. When a harpoon ship tries to transfer a dead whale to the factory ship, Captain Watson tries to block the transfer resulting in a full-speed collision.

As whaling season begins in the Antarctic, the Sea Shepherds embark on another dangerous campaign. With 3 vessels all launching from a different port, Captain Paul Watson now faces the daunting task of being the admiral of a fleet.

After repeated attempts to outrun and engage his pursuers, Captain Paul Watson makes a dangerous decision. Meanwhile, the Sea Shepherd's speedboat, Ady Gil, has returned to dock to repair their damaged radar.

The Sea Shepherds have been relentlessly followed by the whaling reconnaissance vessel for two weeks. They find themselves in a full-on engagement on the high seas as the Captain orders a massive acid bottle attack on his nemesis.

The Sea Shepherd's stealth boat, the Ady Gil, launches a sneak attack on the Japanese whaling reconnaissance vessel in an effort to break free of the tail and find the rest of the whaling fleet.

After nearly a month of searching, the Sea Shepherds have finally found their ultimate target, the world's only whale factory ship, the Nisshin Maru.

At the bottom of the world, a collision has just devastated one of the Sea Shepherd's vessels. The crew stands helpless on their deck, watching in horror as a Japanese vessel barrels through the Sea Shepherd's prized speedboat.