Spencer is still investigating Ezra, and it looks like Ezra knows. Will Spencer finally tell Aria?

On Pretty Little Liars Season 4 Episode 18, Spencer looked for ways to prove her theory while Ezra tries to keep Aria away from her friends in episode packed full of adrenaline. This installment continued the trend of satisfying episodes that have been the hallmark of this season.

Hanna gets suspicious of Spencer, mostly because Spencer's pill-popping is taking a toll on her physical and emotional state.

Also, Shana gets in contact with Emily because Alison needs a little favor. Can the liars ever really trust Shana?

Watch Pretty Little Liars online and find out how much closer the liars are to the truth.