A murder of a taxi driver that turned Korea upside down. The lone witness was a teenager name Hyun-woo who was later forced into making a false confession by abusive cops and convicted as the murderer. Ten years have passed since then, and Hyun-woo has spent almost half of his life in prison. On the other hand, Joon-young, a self-made lawyer, is disillusioned with the reality of lawyers without co