1250s . A young knight, Michael, is appointed as the new castle lord at Morgenberg Castle, which stands quietly in the large forest area of ​​the Black Forest in Germany. However,
the castle is ruled by three senior knights, and Michael is looked down upon as the castle owner in name only. Meanwhile, enemies attack from the neighboring Arventberg territory. Michael persuaded the Three Horsemen to begin an interception.

Through one- on- a strange plan, they manage to defeat the Abendberg forces and gain a certain amount of trust from the Three Knights, but the new castle lord faces many challenges, including a lack of finances and an inability to control the knights' hearts. There are signs that this will continue.