When a time capsule is opened and a secret is unearthed, Detective James Cormack is put on the trail of a murderer from a 1994 case that was never solved.
The dogs of war are circling in the corridors of power, urging a reluctant PM to retaliate against Pakistan. Can Harriet stop the march to war in time?
Prime Minister Garrity discovers the existence of a classified military program. Meanwhile, Harriet learns the truth of Mina’s secret criminal activities.