The Sea Shepherds approach the Thunder in a small boat, making an effort to communicate directly with crew of Thunder by throwing messages in a bottle onto the poacher's ship. Suddenly a man in a black balaclava appears on deck and hurls bolts and flares at the activists and someone is hit. Unexpectedly, the Sea Shepherd's effort is bolstered by the sudden arrival of a commercial fishing boat that joins them in the fight. Greenpeace's flagship vessel, the Rainbow Warrior patrols the Pacific Ocean on the lookout for illegal shark fishing, an industry that feeds the demand for shark fins as a delicacy of Chinese cuisine. When a captain allows them to inspect his boat, the environmentalists explore deep within the vessel to discover a prolific, and illegal, bounty. In Tanzania, the criminal investigation leads J.D. Kotze and his team to a motherlode of explosives, as well as a cache of materials used for bomb-making. Now in custody, superdealer J4 gets the third degree as investigators ...