Prior, Pip did not completely comprehend his role when he was sent to Miss Havisham's home. Nonetheless, as he got settled, he believed that Miss Havisham would enable him to accomplish what he wanted.
The correct answer is plot. Theme is the work's main idea (the "why" of the work), and there usually are more themes in a single work. Narrator is the "I" of the story, someone who tells it. The setting is the "when and where" of the story, the time-place frame. The plot is the "what" - what happens.
