The situation escalates as the truth about John's involvement in the data leak becomes clear, while Saara and Gabriel work together to understand the full ramifications of the code that continued to amass after the telecommunications internet stress test. Danny experiences first-hand the damage caused to GCHQ's relationship with the NSA, and information comes to light that could be of paramount importance to national security, but equally could be another tactic to escalate the conflict with Russia.

S1 Ep6 60min