When members of a workforce began falling violently ill, locals believed a virus was sweeping the area, but after the death of two men it became clear that the only impurity was a serial poisoner with a toxic past.
Ivo Graham
as Graham Young
Katherine D. Watson
as Self - Crime Historian
Wendy Parry
as Self - Detective Constable
Anthony Odhams
as Self - Hadland's Employee
Inês Moreira
as Self - Toxicologist
John Marquis
as Self - Former Reporter
