Series revealing the hidden stories with the deep as a team of 4 marine experts voyage worldwide for more information regarding our planet’s last true wilderness - its oceans. More than a year, Paul Rose, Philippe Cousteau Jr, Dr Lucy Blue, and Tooni Mahto explore how a unique ocean paradise, the location of the greatest assortment of whales and dolphins on the earth, is under threat. They dive stormy seas to investigate how a giant predator, the cannibalistic Humboldt squid, is invading this sea, and appearance to the threatened hammerhead shark.Inside an extraordinary encounter, they conduct pioneering science using one with the largest carnivores in the world: the 20-metre long sperm whale. They explore a sunken ship using a tragic human story, and appearance for evidence the Sea of Cortez is growing, they dive along part of the San Andreas fault line. The dive is above waters heated to near-boiling point from the furnace with the inner Earth.