This documentary series follows five hardened criminals and their experience in the concrete purgatory of Singapore’s Changi Prison.

Deze documentairereeks volgt vijf geharde criminelen en hun ervaringen in het betonnen vagevuur van de Changi-gevangenis in Singapore.

这部纪录片系列讲述了五名顽固的罪犯在新加坡樟宜监狱中的经历。