It appears John died from an aneurism, but when Thomas discovers the trace of a possible nerve agent in his system, the family are desperate for answers. Was a chemical weapon involved or is there a more innocent explanation?
Episode rating
Cast of episode
- 83
- 7
- 6
- 1
- Dr. Thomas Chamberlain
- Dr. Nikki Alexander
- Clarissa Mullery
- Jack Hodgson
- Lt. Col. Ben Carmichael
- AC Harry Lennox
- DI Karl Guyatt
- Alice Pettman
- Major Mark Sealy
- Conor Hodgson
- Arthur Simpson
- Simone Taylor
- Pvt. John Sealy
- D.S. Farmer
- Max Thorndyke
- Rosie Chamberlain
- Nurse Laura Moore
- Book lover
- Edmund 'Fish' Fishbourne