South Africa's Wild Coast is known for deadly shark attacks, but it is also home to the powerful Kob. Catching a massive Kob turns out to be a greater challenge than Cyril expected.

Weighing in at over 600 kilograms, the bluefin tuna is a true titan prowling the oceans. Cyril is recruited by a team of biologists to travel along the East Coast of the United States and Canada to catch and tag one of these giants.