Certainly no place to suspect the presence of a hidden watcher.

That was difficult, for every doorway had a hidden watcher.

The hidden watcher had seen a stir on the opposite side of the night club.

There was a sort of collective sigh from the hidden watchers.

If the hidden watcher was afraid then he would have to take some initiative himself.

When there was no reaction from the hidden watchers she repeated herself once again.

It took only a moment to establish that the hidden watcher was observing him through the window.

What had driven the hidden watcher, though, he still didn't know.

Only snatches of talk drifted back to the hidden watchers.

Then one of them pointed, back past the hidden watchers.