Sneak Peek of “A Dark Ali” PLL Episode 5x10

Officer Holbrook’s back and Ali will have to take a lie detector test.  

Ali wants to follow Cyrus Petrillo, the man who confessed to kidnapping Ali, and hope that he leads them to “A”.   

Aria is worried that they are going to lose this game against “A”.  

Spencer thinks “A” has something terrible planned for all of them.  

Ali tries to convince Emily that she has a plan, but Emily thinks Ali will throw all of them under the bus.  

Spencer doesn't trust Ali and thinks they need to cut the cord with her.

And is Mona helping the Liars?!