All the boys all called together by the conch. Ralph is supposed to be the leader.
Jack and some boys are starting to kill pigs for their meat. Ralph and piggy make a fire so they can be rescued. Jack and the boys start to become savages.
Ralph and Jack split into two groups. Jack and the boys came and destroyed Ralph's and Piggy's fire and Piggy's glasses.
They go to Jack to give back Piggy's glasses and one of the boys push a boulder. The conch is destroyed, piggy dies to the rock, and Ralph has to run into the woods.
In the end, The British find the boys and see their smoke from the woods and get rescued.
The conflict is that Jack is always trying to ignore Ralph, when Ralph is trying to do what is best for the group. Jack and the boys are just trying to live in the moment and not thinking about the future.