Series 1
2 episodes · 2026
1Episode 1
Haunted by a dying man’s warning, Michael Sheen explores claims that chemicals have contaminated land in Wales and England. He follows a toxic trail to ask: who’s in danger now?
2Episode 2finale
Ten years after a dying whistleblower's warning, Michael Sheen follows a trail of toxic chemical dumping in Wales and asks whether it could still be harming people’s health.

