A trip to the time of castles - Time travel 1

Ana and João are siblings, but very different. She is a sensible and level-headed girl, while he is quite goofy and impulsive.
Despite this, they get along wonderfully. For their holidays, they went to spend a few days at an aunt's farm in the Marão mountains.
Both at the farm and in the village, people were agitated because of a man with a reputation as a wizard who had settled in the castle.
Instead of being scared, they decided to go take a peek and the surprise couldn't have been greater: the old man was a scientist, his name was Orlando, and he belonged to AIVET, the fabulous International Association for Space and Time Travel. He had a machine in the basement and invited them to take a dive back to the time of castles. They accepted, not knowing what awaited them.
A few seconds later, they were already riding through wolf-infested forests, accompanying a wild boar hunt. But the journey held many other moments of danger and excitement for them, and an unforgettable encounter with the young Afonso Henriques on the eve of becoming the first king of Portugal.