By Rob Gittins
Based on the true story of Operation Julie - the biggest drug bust in British history.
In the 1970s a large proportion of the world's LSD supply was coming from the wilds of West Wales. Based on true events, this is the story of how one idealistic chemist - Richard Kemp - sought to change the world. And how one determined detective - Dick Lee - set out to stop him.
In 1977 the Operation Julie police team retrieved 18 million microdots of LSD from one small cottage in Tregaron, West Wales. The street value of the haul was over £65 million. But this was no ordinary drugs ring. It grew out of the exploits of a handful of idealistic hippies, motivated by a genuine desire to open people's minds.
Directed by James Robinson
A BBC Cymru Wales Production.