Bosch: Legacy Season 3 finale just closed the one cold case that defined Bosch throughout his career, as an apt ode to the longest running original of Prime Video. Throughout the Bosch franchise, if there is one thing that has remained constant, it's Harry Bosch's relentless and gritty code of life that he lives by. Bosch was defined as a detective by his personal credo, "Everybody counts or nobody counts."
In the original Bosch series, Harry kept pictures of three girls on his desk, who he called the Flower Girls. The Flower Girls were unidentified cases, not very high-profile, but ones that were never reported missing or identified. For Bosch, they were the reason, a constant reminder, along with his mother's murder, that it was his duty as a detective to make sure that justice was served in every single case.
The Bosch: Legacy Season 3 finale paid homage to original Bosch series by solving the one case that has been unsolved throughout Bosch's career. Here's how.
Bosch: Legacy Season 3 finale pays homage to original Bosch series

Bosch: Legacy Season 3 finale did not waste any time in setting up the upcoming spin-off in the Bosch franchise, titled Ballard. The titular crime detective of the upcoming show, Renée Ballard, played by Maggie Q, shows up at Bosch's door in the finale, claiming that he stole some files from her. It is further revealed that she's talking about the files that Bosch took home with him after he quit the LAPD at the end of Bosch Season 7.
As it turns out, Ballard is investigating a fresh murder that is linked to the murder of the three unidentified Flower Girls. After discovering new evidence in the one case that has always haunted Bosch, he wastes no time striking a deal with her: access to the files in exchange for being included on the case.
Even though Ballard and Bosch in Bosch: Legacy Season 3 finale are both sticklers for justice, their way of going about it are completely different. Bosch as we know does not have any problem stepping into the grey area in his pursuit of justice, whereas Ballard is set on going by the book. The duo starts with a lot of friction, but it does not take time, since they do not have more than an episode, for them to figure out a chemistry in working off of one another.

Mo (played by Stephen A. Chang) and Maddie (played by Madison Lintz) help Ballard and Bosch in their pursuit by leading them to an EMT Jeremy McKee (played by Owain Yeoman) who seems to have a link to all of the unresolved murders. The duo also finds out that this EMT has a very convenient history of relocating in the years when the murders seem to have stopped.
The duo comes together for a final resolution of the Flower Girl case in Bosch: Legacy Season 3 finale by stopping McKee before he can add another victim to his list. Closing this cold case was an emotional moment for Bosch and even though the sudden departure of Bosch: Legacy Season 3 with no renewal in sight was a sad news for fans of the show, this was more than enough closure for Bosch's character.
In the one episode that Bosch and Ballard share the screen it is more than cear that the franchise is not done telling its stories and that there is so much more left to explore.
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