S1.E1 ∙ Baltais zirgs

Sam and Amanda are friends. One day, they accidentally throw Sam's sister's diaries in the garbage can and have to trace them to the city dump. While looking for the diaries, they discover a secret passage leading from the city dump to a big, old, abandoned mansion nearby. There, they meet Valdemar, an old man who's been living there for sometime. At first, he's a little suspicious of them, but after a while, the three become friends and experience many fine adventures. However, they must keep it a secret, which is difficult, when their class mates start wondering what Sam and Amanda do after school. They also get to know Valdemar's sister Greta and hear about her dream; to see their childhood home once more before she dies. They decide to help her with that, which is easier said than done.

Two soldiers accompanied by two women enter the Baztán valley on horseback. They are deserters from the army of the Indies who are fleeing to Italy. They arrive to claim the inheritance of one of them, León de Balanza, Captain in Peru and soldier without fortune. They are looking for old Balanzategui who works the land of his ancestors. The old man's refusal to distribute the farmland's land causes a serious conflict.