“Above all, Mr. Hastings, watch that devil⁠—her husband!”

There was no time for more. Miss Howard was swallowed up in an eager chorus of protests and goodbyes. The Inglethorps did not appear.

As the motor drove away, Mrs. Cavendish suddenly detached herself from the group, and moved across the drive to the lawn to meet a tall bearded man who had been evidently making for the house. The colour rose in her cheeks as she held out her hand to him.

“Who is that?” I asked sharply, for instinctively I distrusted the man.

“That’s Dr. Bauerstein,” said John shortly.