Good Wife Season 5 DVD Video: Julianna Margulies Explains Alicia's "Slap in the Face" to Will

Last season was a big one for The Good Wife  — and not just because it included one of the most heartbreaking deaths in TV history.

Long before the acclaimed CBS drama laid Will Gardner (Josh Charles) to rest, he and former lover Alicia (Julianna Margulies) were at war following her decision to leave Lockhart/Gardner in order to start her own firm with Cary (Matt Czuchry).

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"It's such a slap in the face," Margulies says in the exclusive video below about Alicia's exit from the firm. "She really is a good girl, but it's nice to be wanted."

So why did she really leave the firm? And why did she really choose Peter (Chris Noth) over Will? Watch this new featurette from The Good Wife Season 5 DVD, which comes out Aug. 19, to find out:

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The Good Wife Season 5 DVD hits stores Aug. 19. The drama returns Sunday, Sept. 21 at 9/8c on CBS.

(Full disclosure: TVGuide.com is owned by CBS.)