With Spencer's mom now taking Garrett on as a client, Spencer is sure that there is a reason forcing her mother to take on the case. But when she starts questioning, she doesn't so much learn why her mother took the case as stumble upon a larger Hastings secret. Emily also gets some surprising news about her English exam and fears what those consequences could hold. Meanwhile, Aria agrees to be Jenna's accompanist in order to keep tabs on her, and Hanna tries to reach out to Lucas.