For the door was locked from the outside.
Brice crept to the windows.

The room was in darkness, and, unseen, he could look out on the darkness of the night.

As he looked a faint reddish spot of fire appeared in the gloom, just at the beginning of the lawn.

Some one, cigar in mouth, was evidently keeping a watch on his room's windows.

Gavin smiled to himself, and went back to bed.
"Door locked, windows guarded," he reflected, amusedly.