What is the exposition of the adventure of the speckled band

In this story, the exposition is contained in Helen Stoner's narrative which relates the grim events surrounding her sister's death and the background to the case. The rising action begins just after this, when Helen's stepfather, the fearsome Dr Roylott unexpectedly appears in Holmes' room, having tracked Helen there.

Pardon me. to answer questions like this, we would have needed more information. for starters, two sentences from the excerpt that came with the question.