In 2012, a mysterious organisation known as Cicada 3301 announced itself to the world with a cryptic post seeking ‘highly intelligent individuals.’ What followed became known as the hardest puzzle on the internet. One that took players to all corners the internet and out into real-world locations.

After two years of enigmatic posting, it disappeared - and was never seen again. The final puzzle was never solved. Nearly a decade later, Tommie Trelawny and Nicky Anderson decide to take on Cicada 3301 for themselves. Who was behind these mysterious puzzles? And what did they want to achieve?

All episodes will be dropping on the 19th of February.