Alex is pushed to her breaking point after Scarlett stirs up memories of Holden. Donovan is targeted by a dangerous rival of The Countess.

The growing tension between Oliver and Diggle puts both their lives at risk when they go after Damien Darhk and a H.I.V.E. deployed meta-human. Meanwhile, Laurel talks Thea into returning to Nanda Parbat to ask her father to put Sara into the Lazarus Pit. However, Laurel is surprised when Nyssa refuses to do it.

In the Johnson home, Sundays involve SAT prep and sports, so when the family is invited to Church on Sunday by the neighbors, Dre goes against his instinct of always saying “no” and agrees. When they end up having one of the best Sundays they can remember, they realize they should say “yes” to things more often. Meanwhile, Jack and Diane find out they were never baptized, and take it upon themselves to do whatever they want.

A new surgical attending Cole Guthrie joins Angels Memorial with the help of his estranged father and clashes with Leanne over their contrasting approaches to medicine. Christa has a crisis of confidence in the middle of a procedure on her first infant since the loss of her son.

When three restaurant workers are killed in a robbery/homicide in Las Vegas, N.M., the BAU looks at a cold case that happened in the town six years ago for leads.

Over at Lyon Dynasty, Cookie and Anika work together with Laz to throw “Cookie Lyon’s Block Party,” a big event to launch their company, showcase their artists and premiere a signature Dynasty anthem written by Hakeem. Meanwhile, Jamal gets busy working on his music with Ne-Yo. Also, Hakeem begins a tender romance with the lead singer of his girl group, and Andre takes steps to rid his soul of past sins.

Alvey deals with Ryan's reckless decisions and Lisa introduces her newest fighter, Alicia, to Navy St. Nate gears up for his return to the cage. Jay meets a photographer, Laura, who presents professional and personal opportunities.

Rollins' mother Beth throws her a baby shower while the SVU reports to a four-star hotel where a famous violinist was raped by her colleague, Anton Krasnikov. With no memory of the crime, Anton claims a hired escort drugged and robbed him, and evidence leads to the shocking return of Rollins' fugitive sister Kim. Meanwhile, Sgt. Mike Dodds arrives for his first day at SVU.

Gloria is excited at the possibility for being selected for jury duty; Claire brings Alex and Haley to work and hopes to impress them; Phil takes Manny and Luke’s class to community service day.

Rayna pushes back on Layla’s romantic relationship with Jeff, and Markus pushes back on his producer, Avery — which does not go well. Maddie joins Colt on Luke’s tour, giving the teens opportunities for more freedom than Maddie can handle. She turns to Juliette for advice and shocks Luke with the results. Meanwhile, Deacon and Scarlett head to Natchez despite their falling-out, and Gunnar enlists Kevin and Will’s help as “wingmen” in an effort to pick up a new woman.

Cartman is the latest victim of body shaming, and Randy has to deal with uncomfortable confrontations every time he shops at the new Whole Foods.

While Rowena tries to consolidate her power to protect herself from the Winchesters, Sam and Dean search for a missing baby connected to the Darkness. Meanwhile, Castiel struggles to heal and Crowley tries to find a way to use the Darkness for his own personal gain.

Andre uses the EBDBBnB for farming. Taco acquires a drone. Pete's new referee friend has Kevin feeling insecure.

Frankie asks Reverend TimTom to find out why Mike is being distant; and Sue invites Brick to visit her at college, but she loses him after running into the handsome Abercrombie guy. Meanwhile, Axl and Hutch complain to the city about an ant infestation.

The group tries to get rid of a mouse in Jimmy's house; Gretchen finally opens up to Jimmy.