Pornography is illegal in South Korea and 'molka' has emerged as an illicit DIY alternative. The devastating impact of molka is revealed in the increasing number of molka-related suicides. Now, criminal gangs are starting to install cameras on an industrial scale, selling people's most private moments as pornography for strangers to consume. The country's advanced technology allows criminals to stream videos live and share them at lightning speeds.

Can those fighting molka stay ahead of this quickly evolving crime? And are the ingredients that have made molka an epidemic in South Korea a warning sign for a sex crime that could soon affect us here?

The presenter reports on how southern Spain has become the main gateway for drugs into Europe, leading to violent turf wars between gangs and a government crackdown as the police struggle to regain control of their streets. Stacey goes on aerial patrol with police officers guarding the strip of water between Morocco and Spain, and discovers the extraordinary lengths smugglers will take to evade them, including travelling at 100mph in speedboats during extreme weather conditions.