Cover art for podcast The Penumbra Podcast

The Penumbra Podcast

82 EpisodesProduced by Sophie Kaner and Kevin VibertWebsite

At the Penumbra, you might follow Juno Steel, a brooding, sharp-witted private eye on Mars, as he tangles with an elusive homme fatale, tracks dangerous artifacts of an ancient alien civilization, and faces his three greatest fears: heights, blood, and relationships. Or you might enter the world of … read more


(Original) 1.01: Juno Steel and the Case of the Murderous Mask (Part 1)

Hyperion City: the largest human colony on Mars. It’s home to criminals, interplanetary conspiracies, and the ruins of an ancient alien civilization… and it’s also home to Juno Steel, Private Eye.

Juno Steel has had a lot of clients in his time, high-profile and low. But when he’s called in to investigate the murder of Croesus Kanagawa, head of the Kanagawa crime-family-slash-entertainment-network, it’s not the client that interests him. It’s what Croesus was wearing when he died – and an ancient curse that hangs over that very strange mask.

Welcome to the Penumbra, dear Traveler. We hope you enjoy your stay. If you miss us between episodes, remember to follow us on Facebook (The Penumbra Podcast), Twitter (@thepenumbrapod), and our website ( for updates, information about the cast and crew, and irresistible witticisms.

Attribution: Music: "Kind of Girl" by Jeris, featuring spinningmerkaba: “Nanyang Journey (Instrumental)” by Ivan Chew: “Dark Woods II” by Ivan Chew:

Sound Effects: “chair_sitting_1.wav” by FreqMan: “Grabbing a glass bottle” by JakLocke: “Hospital_tv_channel_change.wav” by gezortenplotz:


A transcript of the spoken lines in this episode can be found here:

Production scripts with behind-the-scenes direction, character insights, notes for actors, and ridiculous jokes are available on Patreon at the $7 level.

(Transcript by subtlepuns, with assistance from Tara Olivero, Phoebe Joy, and Dana Stahl.)


  • Alcohol
  • Death and violence
  • Gore
  • Deception and gaslighting
  • Sudden loud noises

Listen to The Penumbra Podcast


A free podcast app for iPhone and Android

  • User-created playlists and collections
  • Download episodes while on WiFi to listen without using mobile data
  • Stream podcast episodes without waiting for a download
  • Queue episodes to create a personal continuous playlist
RadioPublic on iOS and Android
Or by RSS
RSS feed

Connect with listeners

Podcasters use the RadioPublic listener relationship platform to build lasting connections with fans

Yes, let's begin connecting
Browser window

Find new listeners

  • A dedicated website for your podcast
  • Web embed players designed to convert visitors to listeners in the RadioPublic apps for iPhone and Android
Clicking mouse cursor

Understand your audience

  • Capture listener activity with affinity scores
  • Measure your promotional campaigns and integrate with Google and Facebook analytics
Graph of increasing value

Engage your fanbase

  • Deliver timely Calls To Action, including email acquistion for your mailing list
  • Share exactly the right moment in an episode via text, email, and social media
Icon of cellphone with money

Make money

  • Tip and transfer funds directly to podcastsers
  • Earn money for qualified plays in the RadioPublic apps with Paid Listens