You can guess what such business would be.

He dare not follow him to London, and must leave to-night for the nearest seaport, his errand all unperformed.

I sent for you and your friends because the gentleman is our guest, and must be treated with courtesy and care.

He is unattended, and the countryside is alive with traitors.

You and your friends will protect him to-night, will you not ?" "To the death," said Philip.
"Ah, I knew!" said his sister proudly.
"Barbara," exclaimed Philip, "it was fine of you to send for us!" And he hugged her mightily.