A rootless genius, Iris Nixon, steals an enigmatic code from a charming philanthropist and disappears. A tense countdown ensues as she races to unravel the code's mystery.
Iris is stripped of everything she's built. She escapes the island and contacts online conspiracy theorist Alfie.
Niamh Algar
Iris Nixon
Tom Hollander
Cameron McIntyre
Sacha Dhawan
Alfie Bird
Now playing Season 1, Episode 4 — Collider
October 16, 2025
1
8
6.4
Neil Cross
N/A
Season 1 • 8 episodes
Master codebreaker Iris Nixon, once employed by charming entrepreneur Cameron Beck, is on the run in Sardinia - but her cover is blown.
With police and corrupt agents from Rome closing in, Iris blackmails local cop Teo in a bid for escape.
As Joy is captured, Iris seeks Teo's help. Iris and Joy enter uncharted territory, leading to a showdown with Cameron.
Iris is stripped of everything she's built. She escapes the island and contacts online conspiracy theorist Alfie.
Iris uses her wits to get out of a corner and enlist policewoman Nico. Joy meets the mysterious genius, Jensen Lind.
Iris devises a bold plan to save Joy, meets Cameron again, and must escape with Alfie and Nico.
Devastated by a setback, Iris makes a stand. Cameron's benefactor steps up control of his project.
Iris makes a potentially suicidal return to Caliburn, seeking answers. A final showdown between Iris, Cameron, Joy and Jensen exposes the terrifying true purpose of the device.
Sky Studios
GB
Fremantle
US
Maya Sansa
Inspector Nico Casterman
Meréana Tomlinson
Joy Baxter
Marco Leonardi
Chief Commissioner Enrico Bruni
Angela Bruce
Meski
Peter Sullivan
Julian Baxter
Debi Mazar
Celia Baxter
Kristofer Hivju
Professor Jensen Lind
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