Mammoth series, five years in the making, taking a look at the rich tapestry of life in the world's oceans.

A new FBI profiler, Elizabeth Keen, has her entire life uprooted when a mysterious criminal, Raymond Reddington, who has eluded capture for decades, turns himself in and insists on speaking only to her.

Mammoth series, five years in the making, taking a look at the rich tapestry of life in the world's oceans.

Mammoth series, five years in the making, taking a look at the rich tapestry of life in the world's oceans.

Mammoth series, five years in the making, taking a look at the rich tapestry of life in the world's oceans.

Mammoth series, five years in the making, taking a look at the rich tapestry of life in the world's oceans.

In their twenties, Lee Kyeong-do and Seo Ji-woo part ways after two passionate relationships. A decade later, they meet again as a reporter who covers an adultery scandal and the wife of the man at the center of that scandal. Reuniting in their late thirties, their youth has passed, but their love remains vivid. Kyeong-do now strives to prove to her and to himself that he still loves her.

A new FBI profiler, Elizabeth Keen, has her entire life uprooted when a mysterious criminal, Raymond Reddington, who has eluded capture for decades, turns himself in and insists on speaking only to her.

Mammoth series, five years in the making, taking a look at the rich tapestry of life in the world's oceans.

Mammoth series, five years in the making, taking a look at the rich tapestry of life in the world's oceans.