Motive Unknown

Alexander Rinaldi•motive-unknown.castos.com

A Cyberpunk murder mystery following Detective Derek Reyne as he tracks down a mysterious killer operating outside of the cities rules. Working with contacts old and new, Reyne works to try and understand and stop the murderer, while coming to grips with his own growing nihilism.

Last refreshed: August 16th, 2025 at 7:23 PM ⓘ

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Episodes

Motive Unknown - Interview with a Murderer

In this final episode, Detective Derek Reyne sits down with the murderer he has been tracking for weeks, and aims to understand just what exactly it is that drove them to commit these crimes, even as he confronts his own internal struggles and how they feel in comparison to the words of a killer.

Mar 27, 2023•15 min•Season 1Ep. 8

Motive Unknown - Imaginary becomes Real

Detective Reyne, kept under surveillance, struggles to continue his investigation as the trail grows ever colder, until the death of a old yet familiar friend gives just a bit more hope that he will be able to see this all through

Mar 18, 2023•16 min•Season 1Ep. 7

Motive Unknown - Trouble in the Precinct

As Detective Reyne continues his investigation, he hits an unexpected snag in the murder of a fellow police officer. Listen as he contends with the aftermath of this event, and as he questions just how - and if - he can go forward in investigating this evergrowing case

Mar 11, 2023•15 min•Season 1Ep. 5

Motive Unknown - Information Breakdown

Derek Reyne continues his quest against this mysterious killer through the streets of Etherax, now turning to old friend Ocularis, an information broker and professional knower of everything. However, while meeting with her assistant Optic, Reyne learns that there are eventualities he hadn't even considered.

Mar 04, 2023•16 min•Season 1Ep. 3

Motive Unknown - Political Fall

Detective Reyne follows up on the most recent murder victim: a Politician, one who broke from the norms of Etherax politics. Through investigation and discussion with the deceseaseds chief of staff, Reyne tries to get further into understanding just what this murderer is trying to do, while also wondering why he still continues to work on this impossible case

Feb 25, 2023•19 min•Season 1Ep. 4

Motive Unknown - Gangland Murder

Derek Reyne, fresh off investigating the murder of Debrah Jane, is confronted with yet another too-clean killing, this time an independent drug dealer. Working with his new acquantaince Risk, Reyne attempts to put some pieces together, all the while wondering just what he expects to gain from pursuing this case.

Feb 18, 2023•13 min•Season 1Ep. 3

Motive Unknown - Bartender Down

Detective Derek Reyne, fresh off of dealing with the murder of Steven Terik, is confronted with another strange death, this time of underworld bartender Debrah Jane. With some help from an unexpected new friend, Reyne begins to investigate, while reminiscing on his early days in the force Music provided by Caffeine Creek Band from Pixabay

Feb 11, 2023•14 min•Season 1Ep. 2

Motive Unknown - A New Case

Homicide Detective Derek Reyne is confronted with a unique case that stands out among the humdrum of normal City life: A murder with no motive, no organization, and no logic. His interest sparked for the first time in years, he begins to investigate this new murder, while contemplating whether or not its worth actually engaging with the world again when it will more than likely simply fail him once more. TW: Murder, Drug Use, Sex, Profanity

Feb 03, 2023•16 min•Ep. 1

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