He was puzzled, however, by her apparent intimacy with their attractive host.

How and where could Varick have come across the Burnabys and their niece?
They had nothing in common with his usual associates and surroundings.

In their several ways they were like beings from different planets.
Sir Lyon knew a great deal about Lionel Varick, though he had seen nothing of him during the few months Varick's married life had lasted.
Like Miss Farrow, Sir Lyon was honestly glad that his present host, after turning some dangerous corners, had drifted, by an amazing series of lucky bumps, into so safe and pleasant a haven.

There are certain people, who, when unsatisfied, and baulked of whatever may be their hidden desires, are dangerous to their fellows.

Such a man, Sir Lyon was secretly convinced, had been Lionel Varick.