3/3. Several months later, the city is starting to forget and heal - until a scavenged perfume bottle leads to tragic consequences for Dawn and Charlie. Also in HD. [S,AD]
2/3. CID officer Nick Bailey's condition worsens as Tracy struggles to protect local residents against the numerous deposits of Novichok being found across the city. Also in HD. [S,AD]
1/3. 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. Also in HD. [S]