Summary 1: The scene shows the author looking at the wall. The author says "Something there is that doesn't love a wall" to create an essence of mystery.
Summary 2: The next scene shows the author and his neighbor. The author saw his neighbor on the hill, and knew the wall as between them.
Summary 3: This scene shows the neighbors between the wall. The neighbor has apple trees in his yard. But the author has pine trees in his home.
Summary 4: The scene is showing the neighbors and their trees. The neighbor's apple trees never got across to go for the cones from the pine trees. He wanted to tell the author, but all he says is "Good fences make good neighbors."
Summary 5: Another scene shows the two neighbors. The author wanted to ask what he was walling in or out. He was not sure if he was doing those things.