While Qin continues to fight for the unification of the region, its neighboring country invades Qin from the north.

An analytical young police detective and a jaded older cop in the cold case department work diligently to solve long-forgotten, unsolved crimes.

Para defender a su reino de una invasión repentina, un poderoso general vuelve al campo de batalla junto con un huérfano de guerra, ya adulto, que sueña con la gloria.

An ambitious young war orphan, with no battlefield experience, joins the ragtag infantry attempting to fight off the far-superior invading army.