Just a few miles off the Thailand coast, the island of Kothau looks like a postcard.

I'd underneath the surface lies something sinister.

In the last 20 years dozens of tourists have died mysteriously on the island.

A dark cloud who's come over the island, death, mystery and danger.

Listen to Death Island every Wednesday on the I Heart Radio app, Apple Podcasts or wherever you get your podcasts.

The Manowat Caves is intended for mature audiences.

It contains strong language and depictions of bullying, violence and sexual assault that some may find disturbing.

Listener discretion is advised.

Also this is an extremely immersive experience and headphones are recommended.

You're listening to The Manowat Caves, a production of I Heart Radio, Blumhouse Television and psychobia pictures.

I woke up in the pool of my own sweat this morning.

It was 3.33 a.m.

Exactly 3.33.

The hotel room was sweltering.

The AC unit had been blown out hot air all night.

It took my mind to get up to where I was to realize that I wasn't still back in my New York apartment, that I was back home.

I thought this had all just been in a lab or a dream.

But it wasn't a dream.

I had to listen back to my tape to recordings from yesterday to find out where I'd been and what I'd done.

I'm just a little bit scared.

I'm just a little bit scared.

The image of my biological father was taken badly.

...