Why did Doctor Watson return to England?

to grant him honourable discharge

How did Sherlock Holmes help his clients? Why was Holmes bored?

He has a remarkably high intelligence level, which makes him bored of everyday life.

investigating cases for a wide variety of clients, including Scotland Yard.

Who was Holmes’ new client?

 Count Von Kramm

Miss Morstan went to a hotel in London and asked for her father.
What did the hotel manager tell her?

my father was not there. He had gone out the night before and not returned.

What was Captain Morstan’s job in India? Who was Major Sholto?

he father of Bartholomew and Thaddeus Sholto and was a friend to Captain Morstan, with whom he served in India

senior captain of an Indian regiment

The next day Miss Morstan received a small cardboard box. What was in the box?

 a very large and lustrous pearl.

Miss Morstan had come to see Sherlock Holmes because she had received a note.

Where was she to go that night at seven o’clock? Who could she bring with her?

Why did Holmes think that Major Sholto’s death was important?

Miss Morstan showed Holmes a piece of paper. What was drawn on the paper? How was the paper signed?

Who did Holmes, Watson and Miss Morstan meet at the Lyceum theatre. Then where did they go?