"You are currently in a special zone managed by the South Korean government."

Waking up at an unfamiliar station on his way home from work, Seo Do-woon finds himself facing a special zone that defies the laws of reality!

A siren that blares every 47 minutes.

The price for a single ticket to escape: 15.87 million won.

And... five different escape routes.

To survive here, what is needed is not morality, but choice.

His story of surviving inside the special zone never ends!