Gabrielle Anwar

Is Fiona throwing in the towel?

On the Burn Notice season finale (Thursday, 10/9c, USA), Fiona (Gabrielle Anwar) and Sam (Bruce Campbell) are tasked with keeping an eye on Anson (Jere Burns) while Michael (Jeffrey Donovan) leads his biggest mission yet. But as seen in this exclusive clip, she's fed up with being at a standstill as Anson's plans kick into gear.

VIDEO: Burn Notice's Bruce Campbell on taking down Anson and the Evil Dead remake

"To hell with this! I'm done," she snaps before driving off.

Watch the clip to see how Sam tries to rectify the situation: