It is time for "Pretty Little Liars" Season 5 summer finale and tension builds up between the Liars and Alison DiLaurentis. According to the synopsis for Season 5, Episode 12, "Taking This One to the Grave," Ali plans to have her own army as the "PLLs have turned their back on her."

"Pretty Little Liars" Season 5 midseason finale, "Taking This One to the Grave" airs Tuesday, Aug. 26, 2014 on ABC Family.

Warning: Spoilers Alert!

Official Synopsis for "Pretty Little Liars" Season 5, Episode 12 (Midseason Finale) via Alloy Entertainment

"With Alison leading them down a dangerous path and "A" barring them from telling the police the truth, Aria, Emily, Hanna and Spencer feel trapped and are desperate to find a way out of this mess. With nothing else to lose, could the PLLs lose everything by putting their faith in a possibly untrustworthy ally?

Meanwhile, Alison begins to build up her own army now that the PLLs have turned their back on her."

Promo for "Pretty Little Liars" Season 5 Midseason Finale

Someone will die, that is what the upcoming midseason finale's promo is suggesting. The promo starts with the Liars in shock. According to the promo, they are at a crime scene.

Emily gets a message from A.

"It's all your fault - A," the message says. What is this about? Is 'A' talking about the crime scene?

Someone thinks Alison is 'A'. In the promo, someone mentions to Hanna and Aria that Ali is 'A'.

The video also shows Hanna in a devastated state. Is she the one who is going to lose someone in the upcoming episode?

Before the promo ends, Holbrook enters into the brew and he is set to arrest someone. Who will get arrested in the midseason finale episode?

Check out the promo and share your thoughts in the comments section below.

Credit: YouTube/ABC Family