More people fall ill from Novichok poisoning.
It’s four months since the nerve agent attack on former Russian spy Sergei Skripal and his daughter Yulia. Salisbury is starting to return to normal and then, it happens again.
Local mum Dawn Sturgess is given a bottle of perfume that contains the deadly chemical Novichok.
Days later, Dawn dies in hospital leaving her family and friends wondering how she was poisoned with a Russian-made chemical weapon.
This episode was made by Marie Lennon, Andy Howard, Tom Ryan & Dan O’Brien.
Executive production by Mary Sanders and Naomi Wordley.