Still on Romulus in pursuit of his goal of reunifying the Vulcans and Romulans, Spock finds himself in the middle of a massive power struggle. In the wake of the assassination of the Praetor and the Senate, the Romulans have cleaved in two. While Empress Donatra has led her nascent Imperial Romulan State to establish relations with the Federation, Praetor Tal'aura has guided the original Romulan Star Empire toward joining the newly formed Typhon Pact. But numerous factions within the two Romulan nations vie for power and undivided leadership, and Machiavellian plots unfold as forces within...