I wonder who betrayed my happy plans?

It would be evil for her to betray Conrig's military plans out of sheer pique.

Decatur was furious, believing that various residents had set the signals to betray his plans.

Why was she betraying his plans?

But if he were waiting for The Shadow to betray his plans, Palermo would wait in vain.

I do not intend to betray my plans to you, or my new hidey holes.

No one can betray my plans, if no one knows the full extent of them.

He'd outwitted her very nicely out on the dance floor at the party, and he'd certainly betray her plans to Jack.

Of course I wasn't about to betray my plans to a total stranger, even one as attractive and friendly as Luis.

He was convinced that these were signals to betray his plans.