In Los Angeles, Layla picks up her kids from Wyatt. Troy and Beaver arrive and Wyatt takes them through what is essentially a playground to the lab. Troy shows Wyatt money and says he didn't do as well as Wyatt wanted and Wyatt tells him he has to do better. Beaver says he wants to join the operation but Wyatt doesn't seem to want him to and threatens him if he reveals anything.In a high school English class Mrs. Flynn asks the students if they read the book. To make sure they did, she gives a pop quiz. Beaver walks in late. He tries to copy off Flip. Meredith, whose hair is a mix of pink and blonde, is wearing as little as a student could get away with. She is willing to let Beaver cheat. Later, Beaver tries to ask her out and Meredith turns him down. Beaver invites her to a place where a bunch of kids hang out, and Meredith is willing to go to that.Beaver joins Flip and Troy and they go to the hangout. The kids are doing drugs and otherwise misbehaving. Meredith arrives and joins the others. She says her name is Kat Carter and she moved from Florida. She is unwilling to try strange drugs, claiming her mother is very strict. Later, she and Beaver go off by themselves and do drugs.Meredith joins Gina and Rhonda and they do drugs, but Meredith once again refuses to do anything too strange because of her mother. This bothers Gina. Meredith later spends more time with the girls.On several occasions Meredith studies the social media of her new friends. Her online name is Katherine Carter.Meredith is awakened by a phone call from Jimmy. She is late picking up her son Nathan. When Meredith arrives at Jimmy's house and picks up her son, Nathan isn't very enthusiastic. Jimmy says he wishes Meredith would take her son more of the time, but Meredith explains that her job keeps her very busy, and she is in deep right now. Jimmy says it's okay because Sharon is willing to help take care of Nathan.When Meredith meets with Ellen, her superior, in a restaurant, she is told solid evidence is needed. Meredith says she is going to try but it's hard to get what is required. First, she has to find out who the "cook" is. At one point Meredith meets Nathan on the street where he accuses her of being the "thumper", while he is the dog.Meredith goes to Beaver's house and searches through drawers for evidence but is almost caught when Troy has to come back for his phone.The next time Meredith gets together with the others to do drugs, they are busted by the police. Or are they? It turns out to be Wyatt playing a prank.Meredith meets again with Ellen with more evidence, but not enough.Wyatt goes to a pharmacy trying to get the drugs he needs for anxiety. He is told insurance won't cover his drugs any more, and this makes him angry because he says he can't afford the drugs if he has to pay. He reminds the pharmacist and her supervisor he served in Iraq, and he shouldn't be treated this way. Outside, Gina needs drugs.It is Nathan's birthday and Meredith shows up for a party nicely dressed with a present. But when Nathan is upset about something, it is Sharon who comforts him and he calls her "Mommy". Jimmy says Sharon has moved in and they are engaged. Meredith leaves crying.On a visit to Beaver's house, Meredith sees Beaver was beaten up. Beaver suggests it was his father, who has been gone a while but will be back soon, leaving him to take care of his developmentally disabled brother Jeff. Beaver says he wants to leave and take Jeff to Oregon.Meredith goes to Wyatt's house. After Layla leaves with the kids, Meredith goes through his trash, which makes him angry. She pretends to desperately need a fix and Wyatt gets her what she needs, but he insists that she give herself a shot in front of him. She protests that all she ever did was smoke, but Wyatt is persistent. Meredith drives to Beaver's place but is having a lot of trouble. Beaver sees she is very sick and takes her to the hospital.Ellen comes to visit Meredith and says she didn't necessarily do anything wrong, but she's being taken off the case. Furthermore, there is enough evidence to arrest Wyatt's associates. Meredith protests but it doesn't help. Her father visits her. Gina comes to visit "Kat" but is told there is no one named Kat or Katherine Carter. So Gina goes in search of her friend. She sees cops including Ellen.In one scene Troy and Beaver are playing a video game and Troy's younger brother wants to play. He goes to his mother who is passed out and claims she said he could.Meredith goes home with her father but after time passes she is recovered enough to go to Beaver's house. Meredith carries a gun just in case. Wyatt shows up and apologizes for giving her a bad batch. Before Meredith can warn Beaver, Gina tells Wyatt who Meredith really is. Meredith gets to Beaver and tells him to take Jeff and leave. Beaver asks where he should go and Meredith says anywhere. Then Wyatt finds Meredith and starts angrily questioning her. First she denies who she is, then Wyatt puts Meredith in a bathtub and starts running water in her face. She finally confesses. Wyatt has her gun and gives it to Troy, who protests because they will be in serious trouble if they kill her. Finally, Troy shoots Wyatt in the head.Back at the precinct, Meredith says she doesn't want to do the job any more.Meredith makes breakfast for Nathan, who doesn't like it. But at least Meredith has her priorities correct, and she returns Nathan to Jimmy, who is very happy to see him.