The aftermath of the defeat of the twin Russian assassins, Skeznik and Mara in Gillian Douglas: Retribution has the Russian Federation and Russian mob bent on revenge. In this adventure, Jill devises a plan to assassinate the head of nearly every Russian gang in a bid to forever weaken their hold in the UK and Europe. Marshals Douglas and King must deal with two cold cases that are forty and fifty years old, two serial killers, a porn executive, Michelle's parents, a family tragedy, a long lost relative, the addition of many new people to the family, moving to the 1208 acre farm, more children, and the Hadoo leader, Cecily Valence, asserting herself and beginning to make strategic moves on Earth. From New York to Moscow to London follow the coincidences as these seemingly unrelated matters coalesce into related and linked events and people in the ultimate suspense mystery of destiny, space, and time.