Emily gets to work on her next target, a former family friend who testified against her father; Victoria tries to find more information on Emily.

With help from her new ally, Emily seeks to destroy the district attorney who convicted her father; grieving Victoria tries to confirm her suspicions about Emily's past.

A charity event for mental health allows Emily to seek payback from the therapist who had her committed when she was a child. Meanwhile, the Porter brothers face more problems with the family bar; and Conrad sneaks off to see Lydia.

Victoria feels regret as she reflects on David’s downfall, and a fight with Charlotte weighs on her. Meanwhile, Lydia wants to get even with Emily and the Graysons; and Daniel rethinks his goals in the wake of Tyler and Conrad’s betrayals.

The Grayson 4th of July parties are legendary, but this year's festivities ignite the wrong kind of fireworks when an incriminating surveillance video pops up and breaks the bond of trust between the Graysons and their head of security, Frank. Frank won't go down without a fight, which will spell trouble for Nolan and Emily. Meanwhile, the tension between Emily and Tyler will come to a head, Daniel can't seem to catch a break, and both of the Porter boys make bold moves to get their girl.

The Graysons’ quiet anniversary plans go off track and are replaced by an explosive family dinner. Meanwhile, Frank unearths some info on Emily in an attempt to prove his devotion to Victoria.

Back in 2002, Amanda Clarke starts reading her father's journals and begins staking out the Grayson's home. As her anger and determination grow, she forms a plan to seek justice -- as Emily Thorne.