He was quite at his ease: it was no matter to him whether he waited and did nothing, or whether he pried into the private character of every one in the room, as long as he was paid for it.
Even Lady Janet's resolution to act for herself was not proof against the appearance of the policeman in plain clothes.

She left it to her nephew to take the lead.

Julian glanced at Mercy before he stirred further in the matter.

He alone knew that the end rested now not with him but with her.
She felt his eye on her while her own eyes were looking at the man.

She turned her head--hesitated--and suddenly approached Julian.