"He would think everybody was plotting behind his back."

His servants had begun to plot behind his back.

"Did you think for an instant I wouldn't find out you were plotting behind my back?"

So don't make the mistake of thinking you can plot with him behind my back.

They exchanged a look between them that said better than words that they'd been plotting behind my back.

And some of those who hold back will come galloping along soon enough, once they begin suspecting the others might be plotting behind their backs.

How else could she plot behind his back to regain her family's empire?

So, I come home to find you plotting behind my back.

Unknown to them, Divinius had been plotting behind their backs.

I think those two are plotting behind our backs, Vitch.