Recapping Season 7, Episode 17 of Pretty Little Liars. Aria walks further down her dark path, helping A.D. plant an audio bomb to tear apart the Hastings Family, and blowing off Ezra’s recent interest in their impending nuptials. Hanna gets a visit from Detective Marco, causing her to worry about what other evidence they might have missed, and her mom is getting suspicious too, so Caleb proposes to throw Ashley off the scent. Emily’s new girlfriend and babymama Ali has run off to NYC to see Jason, so she’s stuck helping Mona investigate, and being a total pill about it the whole time. And Spencer learns new details about her dad’s involvement in Jessica D’s murder, but refuses to believe her witch-mom Mary Drake is the one sewing discord.