All Seasons

Season 1

  • S01E01 Episode 1

    • June 14, 2020
    • BBC One

    4 March 2018. Emergency services descend on Salisbury’s city centre where they find Sergei and Yulia Skripal unconscious on a park bench. The Skripals and DS Bailey fight to survive, and Tracy and the emergency services try to locate the source of the nerve agent to prevent further casualties.

  • S01E02 Episode 2

    • June 15, 2020
    • BBC One

    Continuing to fight for the resources necessary to contain the contamination, and realising the scale of the task ahead, Tracy needs to move out of her family home and into her office, to the dismay of her husband and son. CID officer Nick Bailey’s condition worsens. Tracy struggles to protect local residents against the numerous deposits of Novichok being found across the city.

  • S01E03 Episode 3

    • June 16, 2020
    • BBC One

    Several months later, the city is starting to forget and heal—until a scavenged perfume bottle leads to tragic consequences for Dawn and Charlie.