The loan sharks are closing in - and Mark and his family are trapped in a very dark place.
If you or someone you know is affected by loan sharks, call 0300 555 2222.
Double Bubble is produced by the multi award-winning Prison Radio Association, in partnership with the Stop Loan Sharks campaign.
Written and voiced by Carl Cattermole.
Produced by Katie Bilboa.
Mastering by Steve Wyatt.
Artwork by Imogen Shaw.