This is the story of Puyi, the last emperor of China. Born in 1906, Puyi was the last ruler of the Qing dynasty, the last imperial dynasty of China. He ascended to the throne at the age of three and reigned until he was deposed in 1912
From Wikipedia
Puyi was the last emperor of China, having reigned as the Xuantong Emperor of the Qing dynasty and later as the Kangde Emperor of Manchukuo, a Japanese puppet state during World War II. After the war, he was held as a war criminal in the Soviet Union and China until 1959, when the Chinese Communist Party granted him amnesty and presented him as a model of successful reeducation.