Then a darker shadow appeared in the darkness, and St.Luc stood before him.
"Why do you come here! Why do you incur such danger?
Don't you know that I must give warning of your presence ?" exclaimed Robert passionately.
The Frenchman laughed lightly.

He seemed very well pleased with himself, and then he hummed: "Hier sur le pont d'Avignon J'ai oui chanter la belle Lon, la." "Your danger is great!" repeated Robert.
"Not as great as you think," said St.Luc.

"You will not protect me.

You will warn the British officers that a French spy is here.

I read it in your face at the race today, and moreover, I know you better than you know yourself.