What is the plot of The Boy in the Striped Pajamas by John Boyne? What is the conflict or goal, and how is the character trying to solve or achieve it?

The plot begins when Bruno's father is given a promotion from Hitler himself, which
requires moving the family out of Berlin, a setting that Bruno adores. When he arrives at his
new location, he is disappointed with the remoteness of it, having only his sister for
companionship.

Eventually, his sense of adventure leads him to explore the
area around his house more, and he finds the fenced-in area with the people wearing
"striped pajamas" that he has seen from his bedroom window. His father has forbidden
him to explore this fence line, so Bruno keeps the adventure a secret. As he walks, he
encounters Shmuel, a boy inside the camp (which is Auschwitz, though Bruno struggles with the
pronunciation). The two become friends, but Bruno is so far removed from the brutality of
Shmuel's life that he cannot grasp much of what his friend endures.

Bruno's
goal is to enjoy a rich friendship, which he has missed since having to leave Berlin. He visits
Shmuel almost daily, bringing him food, though he...