The rugby player Staunton is missing. His friend, the rugby team coach, Cyril Overton, reaches out to Holmes and Watson begging them to take up the case. Holmes and Watson find out that the boy went out in a hurry the previous night together with an unknown man. The next step is to find out who this man was and what did he has to do with Staunton. Holmes and Watson will get to the bottom of it. What they will learn is however more than unexpected. 'The Adventure of the Missing Three-Quarter' is a part of 'The Return of Sherlock Holmes'.