
Failing debt collector San is sent to Artit Island to recover millions, or he risks losing his partner and job.

San tracks down a silent debtor on the island, while boxers Sing and Mangorn clash back in the city.

Stranded in the dark with a dead phone, San must navigate the island alone as his friends handle debt in Bangkok.

San finds strange tools in a mountain house, while old friends on the island begin discussing his presence.