The Hidden Son-in-law’s Modern Wisdom Saves His Family from the Royal Decree

Pedro, a modern history master, suddenly finds himself in the kingdom of New Lusitania. To survive, he hides his identity and becomes the son-in-law of the ambitious Souza family. While the family chases power and risk, Pedro uses his knowledge of the future to secretly guide them through danger. But when a sudden Royal Decree puts everyone's life on the line, his true genius must finally be revealed. Can a man from the future save a family in the past?