Agricane king of Mongolia and Emperor of the Tartaria, have besieged the Castle of Albracca, fortress of the Cathai where are the King Galafrone of India and his daughter, the very beautiful Angelic.
Agricane, madly in love of Angelic asks to have her in bride and to the refusal of her, it swears to shave to the ground the Castle of Albracca.
The count Roland fallen in love of Angelic it hastens in her defense.
Under the boundaries of the castle it instigates him a fair and merciless battle.
The brave Roland kills the tartar´s army tartar and mongolia´s army.
Agricane simulating an escape conducts Roland in a solitary place. They challenge here, and beginning to duel to a terrible fight. Agricane rotates his keen tranchera, Roland it makes to flash the mighty his durlindana (a type of sword).
The fight is merciless and culminates with the death of the tartar Agricane, that before dying, he is baptized by the count Roland.