所有分集

Poisoning of Skripal - a reckless assassination attempt that put thousands of innocent lives in danger; and the efforts of those on the frontline to solve the investigation before anyone else fell ill.

In the aftermath of the Novichok attack, medics battle to save the Skripals and PC Nick Bailey. The army try to stop the poison spreading. And a manhunt begins.

Further Novichok casualties cause panic in the community. As the case becomes a murder investigation, how should the UK respond to such blatant Russian aggression?