Brillante Porvenir(1965)

Antonio, a young man with a modest job in a small town, leads a monotonous existence until he is transferred to Barcelona to work in an architecture studio. From that moment, a new life opens before his eyes. He befriends Lorenzo, one of his classmates. Lorenzo is more experienced than Antonio and shows him a new, more sophisticated life in which Antonio feels out of place. Also, Antonio falls in love with Lorenzo's sister.