To catch a schemer, you need a schemer ... one with a special level of crazy.

In a new clip from Monday's Gossip Girl, Chuck and Nate strategize over how to uncover a link between Diana (Elizabeth Hurley) and Jack (Desmond Harrington). Nate plays dumb with Diana and buys some time, but the stolen notebook gets them nowhere. They need to find Jack, and that's proving beyond difficult.

From the looks of it, however, Chuck has an idea of who might be of help.

Might that be Blair Waldorf herself, masquerading as Diana to lure him out of hiding? We shall see, but the Gossip Girl promo would support this theory. Check out the sneak peek from "Raiders of the Lost Art" below ...

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.