Michelle Fairley Michelle Fairley

It's safe to say that Margaret (Michelle Fairley) is up to no good on Sunday's Resurrection.

Now that we know the matriarch knows how to kill The Returned, it looks like she might do just that... or perhaps something even more nefarious.

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"You've been lying ever since you came back," Fred ( Matt Craven) tells her in the exclusive sneak peek below. "What did you do?"Check out the first look promo for more. Resurrection airs Sundays at 9/8c on ABC.