本系列節目要介紹海洋中最特殊和社交性最強的鯨魚家族，及牠們的特殊傳統。分布在全球海洋的虎鯨、大翅鯨、白鯨、一角鯨和抹香鯨，各自擁有不同的文化，而且會把生存的關鍵傳授給下一代。世上最大的動物也是最聰明的。

Ireland’s Deep Atlantic sees underwater cameraman Ken O’Sullivan embark on a series of voyages out into the open North Atlantic in search of large whales, sharks and cold water coral reefs 3,000 down on Ireland’s deep sea bed. The two-part series will document many of these creatures’ behaviour for the first time in any TV programme and investigate the health of our deep Atlantic waters.

In this six-part series Ron and Valerie Taylor travel in the underwater world showing the special relationship Valerie has developed with the creatures of the blue wilderness. Now she fights for the future of these creatures.