In 1941, the occupied cities of Shanghai and Nanjing became the central battleground in the struggle between the enemy and the resistance. The Wang Jingwei puppet regime’s secret service headquarters, “No. 76” on Jisifeier Road, colluded with Japan’s Plum Agency to launch a brutal purge of the underground Communist Party. At this moment, intelligence about the “Yangtze Plan,” which could determine the fate of the New Fourth Army’s Central China Military Region, surfaced in Nanjing. Yet the key figure tasked with delivering it, an underground Party member codenamed “Cold Plum,” had mysteriously disappeared. The intelligence set off a breathtaking clash of wits and faith between a double agent embedded in the puppet regime, a psychological warfare expert from Japan’s Special Higher Police, a ruthless assassin from the Kuomintang’s anti-Communist unit, and a mysterious third force in the foreign concessions.
