Credit: Video Still

The Charming family is reunited at last on Once Upon a Time Season 2, and it doesn't take long for their old rivalry with Regina (Lana Parrilla) to erupt again.

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We know that Season 2, Episode 10: “The Cricket Game” will revolve around Regina being accused of murder — apparently Archie's — and according to the official synopsis of the episode Emma (Jennifer Morrison) is the only one who thinks she might be innocent. But apparently her conviction doesn't last.

In this sneak peek of the episode, Emma seems completely positive that Regina did the deed, snapping at her parents that they should be "happy [they] were right" that "it" was Regina. She's determined to lock the (formerly?) Evil Queen up, no matter the danger.

What makes Emma so sure Regina is back to her evil ways? And is she right, or is this all a misunderstanding — or a trick by Cora (Barbara Hershey) and Hook (Colin O’Donoghue)? We can't wait to find out!

Credit: ABC © 2013 Disney ABC Television Group Photo: Preview Clip of Once Upon a Time Season 2, Episode 10: "We're Locking Her Up!" (VIDEO)

Once Upon a Time Season 2 returns on Sunday, January 6, 2013 at 8 p.m. ET/PT on ABC.

Rebecca Martin is an editor at Wetpaint Entertainment. Follow her on Twitter @BeccaDMartin.