- For the eponymous character, see Oliver Queen.
- "All this time, I thought I had raw deal, like you did. But it makes sense now why there's a new Green Arrow out there. Because the old one is a coward."
- —Stanley Dover to Oliver Queen
|Following Oliver’s shocking decision to turn himself over to the FBI and reveal his identity as Green Arrow to the public, Oliver has spent the past five months in Slabside Maximum Security Prison. Determined to keep a low profile to shorten his sentence for the sake of his family, Oliver is tested when he runs into old foes. Meanwhile, Diggle and Dinah have taken on new jobs and left their costumes behind but not everyone is following suit. With her focus on William, Felicity tries to start over but when someone from her past resurfaces, things become complicated.|
The episode opens with William running through a forest with Felicity following, they are both frantic and running from Ricardo Diaz. Felicity calls for help and pushes William to run as Diaz advances on Felicity, ultimately shooting her. This turns out to be a nightmare which Oliver is having whilst in prison.
Oliver is seen in Slabside Maximum Security Prison exercising and keeping to himself, trying to stay out of trouble around people he put in the prison, such as; Derek Sampson and Ben Turner, both trying to intimidate Oliver and get a reaction from him. He is then seen sat in his cell looking at a photo of Felicity and William and marking off days on the wall in chalk. Each day he is awoken by prison guard Peter Yorke.
Continuing his exercise regime and attempts to stay out of people's way is interrupted by another inmate, Stanley Dover, who claims to be a big fan of the Green Arrow. Oliver claims that he has the wrong guy and says he is not that person anymore. Stanley asks Oliver to be his protection against another inmate which Oliver put in Slabside, Danny Brickwell. Oliver refuses and returns to keeping a low profile. Later in the mess hall, Oliver witnesses Stanley being tormented by the other inmates but choses to ignore it and sit on his own again. Sampson is seen to initiate a fight which gets blamed on another inmate to cause a distraction so he, Turner and Brickwell can target Oliver in revenge for being put in prison by The Green Arrow, but Oliver fights back and plants an illegal weapon on Turner to get him sent to 'the hole'.
Back in Star City an unknown criminal is seen to be targeted on the streets by someone shooting green arrows. He is then deposited in the parking lot of the Star City Police Department, tied up, and is found by Curtis Holt's boyfriend, Nick Anastas.
Returning to Slabside, we see Oliver in his cell being approached by Yorke who reprimands Oliver for his behaviour in the mess hall before informing him he has a visitor. Oliver is escorted to the visitation room where John Diggle is waiting for him. They joke about how Oliver looks before Oliver gets straight to business and asks about the wellbeing of his wife, Felicity, and his son, William. John reassures him that they are still in Witness Protection and are safe with A.R.G.U.S. protection 24/7. Oliver then asks if the FBI have made any progress on finding Diaz. John explains that there has been no new leads but he and Samanda Watson won't stop looking but puts out the idea that maybe Diaz died after his encounter with Black Siren. Oliver admits that he can't believe that Diaz is dead. John sympathises with Oliver, adding that being out of control isn't his strong suit but Oliver explains he is just keeping his head down and hoping to shorten his sentence.
Cut to Radu's Coffee shop in Hope Springs. A seemingly relaxed, but physically different Felicity is helping a frustrated customer. Felicity has now got long hair with pink streaks in it. Her eyebrow is pierced as well as her septum and she is missing her signature glasses. She is wearing overalls and a company baseball cap on backwards and is cleaning one of the coffee machines, indicating she now works there. The pair seem to be friendly enough to exchange pleasantries and when the customer, Joe, curses, Felicity is quick to step in and ask what is wrong. He explains that he can't get the code which he is working on to work correctly, she asks to take a look and instantly rectifies the issue, much to the delight of Joe. Joe reveals that Felicity's new name is Erin.
Dinah Drake is seen to be interrogating the criminal who was left in the parking lot and names him as Jason Stent, a weapons dealer. He claims that the reason he was brought 'bound and gagged' to her doorstep was because of the Green Arrow. Dinah explains that Oliver Queen is in prison, to which he retorts there is 'another psycho in green leather assaulting people with a bow and arrow.' Dinah reveals that there have been no vigilantes in Star City for five months.
Rene Ramirez is seen teaching people how to box in a rundown gym in the Glades. He praises his daughter, Zoe, on her technique and then reminds them that self-defence isn't about being violent, it's about protecting yourself and the ones that you love. Zoe tells her dad that her bag is leaking, showing that despite them wanting to protect themselves, their gear isn't the best. During a talk with one of his students, it is revealed that The Glades is in a bad state and that people are being robbed.
- The title of this episode references Oliver's prison number.
- The number pays homage to Vince Terranova's "ident code" from the TV show Wiseguy. In addition, 4587 has appeared multiple times on ; it's the warehouse number and the Legends' cell block number in "" and "" respectively. It's also Rip Hunter's bank vault number in the season 2 episode "". Furthermore, in the series' season 3 episode "", 4587 is the alleged cell number of Zari Tarazi's brother Behrad.
- Oliver uses a copy of the Alexandre Dumas novel The Count of Monte Cristo to bash two inmates.
- This is the first episode to feature a flashforward instead of a flashback.
- The wanted sketch of the mystery Green Arrow was drawn by Jim Lee.
- It is revealed that Oliver has been in prison for five months.
- Ruelle's song "Madness" played in this episode while the Season 7 finale "" used "The Other Side". The former was also used for the trailer of the DC Universe show: Titans.
- References season 2 episode 3 of Arrow "The doll maker". During Moira Queen's trial the ending docket numbers of State VS Queen trial are 4587.
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