We are in 1320, in the newly formed country we call Portugal. Isabel, the Holy Queen, is the wife of Dinis, the king, and mother of Afonso, the heir, both involved in a civil war that affects everyone....

After the death of Paulo Duarte, his sister Teresa abandons her life in Lisbon to move to Vigo. Nobody believes that the death is accidental, so she investigates behind the possible murder which leads her to an arms trafficking network...