March 15, 2013 at 02:00 PM EDT

It’s all coming to a head on Pretty Little Liars.

Or so says Mona (Janel Parrish) in an exclusive clip from the season finale of ABC Family’s teen soap, a video that finds the devious girl in the “A” team’s mobile lair. Mona gives her approval to her faceless co-conspirator’s plan to host a Hastings gathering of dinner and dancing, an event where Mona promises that the Liars will “finally going to get what they deserve.”

Relevant questions: Who is she talking to? Could the person in the black hoodie — the “A” team leader maybe — be Spencer? And what is the reward that Mona mentions? Watch the clip from next week’s Pretty Little Liars — which airs Tuesday at 8 p.m. ET — below.

Read more: 

‘Pretty Little Liars’: Spencer confronts ‘Red Coat’ in the finale — EXCLUSIVE PHOTO

‘Pretty Little Liars’ React: Will Spencer betray her best friends?

‘Pretty Little Liars’ season 4 gets a premiere date

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