Beatrice goes back to babyhood to deal with Frederick's engagement. Lillian does her best to try and impress his fiancée.

The artists turn engaged couples into whimsically undead duos; McKenzie Westmore performs wedding ceremonies.

Maggie agrees to direct a play written by Gwen. Emma gets hot and heavy with a new flame.

Who killed Toby's mother? Who hit Alison in the head with the rock the night she went missing? Who is Red Coat? Who killed Bethany? Who is the Black Widow? Why has "A" been targeting the PLLs all this time? After years of torture, Alison, Aria, Emily, Hanna and Spencer finally come face-to-face with their tormentor and learn the story of how and why Charles became "A."

The murder of a college student takes an odd turn when Jane and Maura discover he had 32 girlfriends. Uncovering who killed him and why leads them into a world of app developers, virtual boyfriends and relationships built on lies. Meanwhile, Korsak finally introduces everyone to the new woman in his life.

Emma races to save a friend from the killer's dangerous game of hide-and-seek.

The day starts rough, but nothing the hunt for treasure as the buyers head to Rancho Palos Verdes, CA. Mary has to stay on a budget and learns a hard lesson about Dave. Rene tries a secret strategy, while Jarrod and Brandi try to hit the auctions with some old school style.

Kristen Stewart (American Ultra (2015)); James Belushi (Show Me a Hero (2015)). Also: Yolanda Adams performs with Hezekiah Walker, his choir and The Roots.

Increasingly suspicious of those close to him, Jamal believes Khalil is the only person he can trust. Deciding he should no longer hide the truth, Barry reveals to Molly that he’s alive. Hoping to lift Nusrat’s depression, Ahmed asks Nusrat to run away with him. Skeptical of Khalil’s tactical luck, Ihab zeroes in on a traitor in the Caliphate.

The team travels to Paris to search for a group of bears that were being studied for migration habits when their trackers mysteriously went offline. While investigating the strange occurrence, Chloe must work with and ultimately confront her ex-fiancé, a civil engineer, who is helping city officials find the missing bears. Meanwhile, with Jamie accused of murder, the team makes a daring plan to hack into the Reiden-Global mainframe, and Mitch makes a shocking discovery about the next evolutionary step of the animals.