After lying to Alison and Jason (recurring guest star Drew Van Acker) about Charles, Kenneth DiLaurentis (recurring guest star Jim Abele) comes clean about the family's connection to the young boy. While he won't give much detail about Charles' past, he says enough to give the girls a clue of where to look for the missing pieces: Radley Sanitarium. With Radley now closed and its files shipped off to be shredded, the girls must act fast before all traces of Charles' past disappear. Meanwhile, Caleb's protective nature starts to pinch Hanna, and Spencer seeks a remedy for her sleeping issues.
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