"Pretty Little Liars" is just two episodes away from the season 4 finale. The 30 sec promo for episode 22, "Cover For Me" seems to be loaded with information for viewers. The upcoming episode picks up from episode 21. It features Spencer's treatment for drug addiction and more.

Dissection of "Pretty Little Liars" Season 4, Episode 22, "Cover For Me" Promo

1. Aria and the picnic table: Viewers see Aria sitting on a picnic table. Where is she off too? What is her next plan to take on Ezra?

2. "A's" scary message: "I know you dug her grave, now I'm digging yours." Is this message for Spencer? Viewers will hopefully find out in the upcoming instalment of "Pretty Little Liars."

3. Aria and Ezra face off: In the promo for episode 22, viewers see Aria and Ezra face to face. She is at his door. Episode 22 is going to feature the confrontation. Epic!

4. Aria with a new guy: She is on her way to forget Ezra already. She is also getting closer to this new guy. Is the new guy her cure for the heartbreak? It looks like it is.

5. Spencer's got a guy too: Spencer's new man - Dean might be helping her get rid of the pill-popping habit.

6. Spencer with the shovel: The promo shows a flashback of Spencer attacking someone with a shovel. Later, she is shown covered in blood. "I know what I did," says Spencer in the present day.

7. Ezra in school: Evil Ezra is back. It will be interesting to see his next plan.

8. Spencer looks for clues: She is looking in a drawer, probably trying to find clues.

9. Spencer and the shadow: A shadow moves behind Spencer, and it is not good for her. Look back, Spence. Danger.

10. What's up with Mona? "I'm surprised it took so long for you to figure it out," says Mona with a grin.

Check out the exciting "Pretty Little Liars" season 4, episode 22 on Tuesday at 8 p.m. ET on AMC.

Credit: YouTube/Pretty Little Liars