Devil May Cry 4: Deadly Fortune

Nero works in Fortuna, an island castle-town, for the Order of the Sword, a group of holy knights who worship the demon Sparda under the guidance of their leader, Vicar Sanctus. During the Festival of the Sword, Sanctus is killed by a man in a red coat who flees the scene. Nero is assigned to track down the assassin and follows his trail. As he investigates, Nero uncovers the Order's hidden darkness.