A specialist sunbathing camp is threatened by a campaign by the leader of the 'Wear More Clothes League'.
A French girl meets her captured British lover whilst acting as a spy.
Holmes receives a mysterious telegram from Cyril Overton, the captain of the Cambridge University rugby team. Overton later explains that one of the best players on his team, a young man named Godfrey Staunton, went missing while in London for an important game. Holmes follows a trail of clues back to Cambridge.
