On Covert Affairs Season 5 Episode 7, Annie and McQuaid will head to to Azerbaijan in search of a mysterious, off the grid ex-CIA officer named Nathan Mueller (guest star Max Martini).

Elsewhere, Auggie will be devastated to discover unfortunate details about an old friend, while Hill Harper's Calder will take actions that lead to a confrontation with Joan.

Uh-oh.

USA has supplide TV Fanatic with an exclusive sneak peek at this Covert Affairs Season 5 installment. Check it out below and then return tomorrow night for our detailed recap and review:

Covert Affairs Clip - "Brink of the Clouds"

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.