João Mendes, a Cape Verdean black guy, is the rebellious son of a fishing family. His father (Gabriel) wants him to take care of the family business, but João dreams to become a great fencer. He falls in love with a creole girl (Cesária) and will have to contend with a cruel man (Tyago), obsessed with her. João creates his masked alter ego by risking his life every night, fighting to defend the freedom and human rights of people in danger. One night Gabriel is murdered. João, destroyed by grief, is determined to find his father's killer who, before dying, gives him a scarf that hides an incredible secret.