I've been fascinated with the ocean for as long as I can remember.

But this romantic vision that I always had of the ocean …

completely changed.

I was forced to confront a side of the story I never knew,

a story of just how huge our impact on the seas had become.

[man 2] Where are the big environment groups?

They are deliberately not engaging with the most important issue of all.

Can you turn off the cameras? Thanks.

[Ali] Would you say there's any safety concerns for me making this film?

[man 3, in Thai] If you're scared of dying, go home.

[tense music playing]

[man 4, in English] The safety concerns are serious. Ignore them at your risk.

[man 5] If you're getting in the way of business, you are risking your own life.

The slaughter of these dolphins is a reaction

to the overfishing that's happening.

[distorted] Don't film my face. I can be hunted down for helping you.

Turn off the video!

[man 6, in Thai] When the ships are in the ocean, they can throw you overboard.

[in English] We hear a lot about blood diamonds. This is blood shrimp.

[tense music continues]

[police siren wails]

[man 7] We are at war with the oceans,

and if we win this war, we're gonna lose it all

because mankind is not able to live on this planet with a dead sea.

[Ali] I just don't see how you could possibly enforce

sustainable fishing laws with all these boats.

[man 8] The same syndicates that are behind illegal fishing

are the same criminal groups that are behind drug trafficking,

human trafficking, and other crimes.

-[Ali] There's no slavery going on? -No.

It's business.

[man 9] If you want to address climate change,

the first thing you do is protect the ocean.

And the solution to that is very simple:

leave it alone.

[dramatic music playing]

[woman] Most of the positive and negative things

that bring about change in human civilization

start with someone.

Some "one."

[tense music builds]