It seems like Louis Canning is going to indulge in some power play as he joins Lockhart/Gardner in season 5, episode 18 of The Good Wife.

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Michael J. Fox is all set to return with a bang as he takes on the job of prime menace creator in the next episode, All Tapped Out, of The Good Wife. Seems like Fox's character, Louis Canning, has bagged an important position and Lockhart/Gardner and is dishonoring the memory of Will. Kalinda is seen particularly pissed off as Canning tells her that he is the new Will. In another bit Diane is seen sitting across from him, letting his know that he is not the enemy but the devil.

Alicia also takes on the job of representing Finn Polmar, who will dragged into the mess of the legal proceedings by the State Attorney regarding the Jeffrey Grant case. Alicia will also find out that the NSA has been onto her and has been tapping into her personal calls as well as Florrick/Agos take on the case of a whisteblower from the ogarnisation.

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Here's the synopsis for the episode:

"Florrick/Agos takes on the case of an NSA whistleblower, only to learn that the agency has been monitoring the firm as well as Alicia's personal life. Meanwhile, Diane faces the difficult task of working alongside Louis Canning when he joins Lockhart/Gardner. Also, Alicia goes after the State Attorney when he attempts to make Finn a scapegoat in the Jeffrey Grant case."

All Tapped Out will air on CBS on April 20.

Watch the promo here: