Synopsis:

Deacon is consumed with guilt when an additional aneurysm leaves Beverly brain dead; Juliette's erratic behavior forces Avery to file for divorce.

(From ABC)
A second aneurysm leaves Beverly brain dead and Deacon consumed with guilt, while Scarlett is forced to decide whether or not to keep Beverly on life support. Meanwhile, Juliette continues a destructive pattern of erratic behavior, pushing Avery to make the heart-wrenching decision to file for divorce.

(Recap From ABC)
(Recap From Wikipedia)
Beverly is not doing well. Juliette comes back to a room of passed out people, alone. Daphne has been suspended for getting in a fist fight with another girl. Avery has been calling everyone, and anyone, but he can't find Juliette. Luke and Juliette are on a tour break, and decide to go spend time together. Beverly is now brain dead, with a slim chance of recovery. Deacon wants to keep Beverly on life support, but it is up to Scarlett. Deacon and Scarlett decide to do a test to see if Beverly can breathe on her own. Daphne got into a fight because kids are saying that Teddy is a criminal, but she thinks he isn't. Avery gives Emily Cadence for the day, while he takes care of business. Luke takes Juliette to a race track and she takes him to a bar. Will has lunch with Kevin, and his friends. Rayna wants Teddy to see the kids, as they can not take it anymore. They try to see if Beverly can breathe, but unfortunately she can't, causing Scarlett to break down, and Deacon to freak out, both thinking Beverly is alive. Avery files for divorce against Juliette. Avery wants full custody of Cadence, his lawyer says it will be hard, and that Juliette will fight it, but Avery knows she won't. Rayna takes the kids to see Teddy, where Daphne is very happy to see him, but Maddie is not. Daphne asks Teddy if he really did those things, and he has to tell her he did. She says she hates him, and runs away. Maddie and Daphne are ripping up all the pictures of them with Teddy, as they say he is not their father anymore. At Will and Kevin's lunch party, Will is yelled at for hiding since he came out. Scarlett sings the beautiful opposite of "Black Roses", "Speak To Me". Gunnar shows up and comforts her. Juliette can not stop the crazy partying. Scarlett tells Gunnar she feels bad that she always hated her mother, and now it is too late. Kevin tells Will that he could be a good advocate for the gay community, and that he is doing nothing. Emily sees Avery's divorce papers, and tells him that no matter what it looks like, Juliette wanted Cadence, and she wanted Avery, so make no mistake. Scarlett tells Deacon that she has made the decision to take Beverly off life support, making him extremely upset, because he feels like he killed her. Will tells Kevin he is scared, and doesn't know what to do yet. Rayna takes the girls to see Teddy again, where she thanks him for being a good person, husband, and dad. Daphne and Maddie forgive him, and hug him. Teddy says he will plead guilty. Avery stops signing the divorce papers, and puts them away. Scarlett says her final words to Beverly, and takes her off life support. Deacon is back home, making Scarlett's room up nice, and breaks down.