Two amateur detectives in an Oxfordshire village discover dying fish in their river. When they contact the water company for answers, the company's odd, evasive response prompts them to launch an investigation that continues today.
February 23, 2026
1
3
Halcyons Heart Films
14 people
David Thewlis
Ash Smith
Acting
Jason Watkins
Peter Hammond
Acting
Posy Sterling
Julie Preen
Acting
Tom McKay
Mark Preen
Acting
Alex Jennings
Sir James Bevsn
Acting
Asim Chaudhry
Mickey Lazarus
Acting
Alice Lowe
Susan Day
Acting
Chanel Cresswell
Hannah Swift
Acting
Vicki Pepperdine
Lucy Hunt
Acting
Juliet Cowan
Debbie Henderson
Acting
Charlotte Ritchie
Sophie Harrison
Acting
Tom Durant-Pritchard
Chris Hines
Acting
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