I'm the Queen in This Life

I'm the Queen in This Life summary: The Etruscan Kingdom is stained with blood when the king’s illegitimate son Cesare conspires with his fiancée Ariadne to usurp the throne from his half-brother Alfonso. Despite Ariadne’s devotion to the new king, her faith is shattered when she is betrayed by him and eventually murdered by her own sister, who wishes to be queen.