Admiral Yi Sun-sin faces a tough challenge when he is forced to defend his nation with just 13 battleships against 300 Japanese enemy ships in the Battle of Myeongryang.
A taxi driver is found dead, and Hyun-woo, the only witness, charged with a murder and serves 10 years in prison. While offering pro bono services, a lawyer Junyoung meets Hyun-woo, and they begin their journey to prove his innocence.
Joseon's top detective Kim Min attempts to track down those responsible for circulating massive amounts of counterfeit silver bullion in Joseon. He also tries to find the missing sibling of a young girl.
