Based on the memoir "
Jingbirok", written in 1604 by
Joseon scholar
Ryu Seong-ryong (1542–1607), who served as prime minister of the Joseon Kingdom (1392–1910) during the seven-year Imjin War (1592–1598). "Jingbirok" (Book of Corrections) is the name of Ryu's memoir, which looks back on the Japanese invasion under the leadership of
Toyotomi Hideyoshi. The memoir covers Ryu Seong-ryong's experiences from 1592 to 1598 during the
Japanese invasion of Joseon era Korea. The story takes place in Korea and Japan between the Japanese invasion and the
Battle of Noryang where admiral
Yi Sun Sin was killed. == Cast ==