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Black Thread - Red Protocol: Book 2 of the Explosive Mars Colony Zombie Sci-fi Thriller Series.
The infection has reached Pavonis Station. This time, it isn’t hunting people. It’s learning the systems that keep them alive.
After escaping the destruction of Astra, Laura Walsh arrives at Pavonis with her daughter, Lina, and a group of traumatised survivors.
Pavonis appears to offer everything they have light, medical care, security and order. Its vast network of automated doors, pressure controls and emergency protocols has been designed to protect the sixty thousand people who call the Martian colony home.
But Laura knows they are not safe.
The infection that destroyed Astra has changed. It remembers routines. It responds to access signals. It follows medical procedures, communication routes and evacuation protocols. Every attempt to contain it teaches it something new… and every automated safeguard gives it another way into the colony.
While Pavonis officials struggle to accept the truth, doors begin opening without permission. Patients are redirected by unseen commands. Warnings are delayed while automated requests spread across the Martian network.
Laura must reunite with Lina and convince the colony to abandon the systems keeping it alive before those same systems turn Pavonis into the perfect trap.
Alongside engineer Tomás Ibarra, communications specialist Elise Carter, Dr Adil Shah and security chief Mark Bell, she faces an impossible
Preserve the infrastructure sustaining thousands of lives, or tear it apart before the infection reaches every station on Mars.
Because on Pavonis, the system does not have to fail.
It only has to work.
BLACK RED PROTOCOL is Book Two of the Black Thread series - a tense science-fiction horror thriller of survival, intelligent infrastructure and a threat that grows more dangerous every time humanity tries to control it
After escaping the destruction of Astra, Laura Walsh arrives at Pavonis with her daughter, Lina, and a group of traumatised survivors.
Pavonis appears to offer everything they have light, medical care, security and order. Its vast network of automated doors, pressure controls and emergency protocols has been designed to protect the sixty thousand people who call the Martian colony home.
But Laura knows they are not safe.
The infection that destroyed Astra has changed. It remembers routines. It responds to access signals. It follows medical procedures, communication routes and evacuation protocols. Every attempt to contain it teaches it something new… and every automated safeguard gives it another way into the colony.
While Pavonis officials struggle to accept the truth, doors begin opening without permission. Patients are redirected by unseen commands. Warnings are delayed while automated requests spread across the Martian network.
Laura must reunite with Lina and convince the colony to abandon the systems keeping it alive before those same systems turn Pavonis into the perfect trap.
Alongside engineer Tomás Ibarra, communications specialist Elise Carter, Dr Adil Shah and security chief Mark Bell, she faces an impossible
Preserve the infrastructure sustaining thousands of lives, or tear it apart before the infection reaches every station on Mars.
Because on Pavonis, the system does not have to fail.
It only has to work.
BLACK RED PROTOCOL is Book Two of the Black Thread series - a tense science-fiction horror thriller of survival, intelligent infrastructure and a threat that grows more dangerous every time humanity tries to control it
380 pages, Kindle Edition
Published July 29, 2026
About the author
Paul Gorry
120 books1 followerPaul Gorry is an interdisciplinary artist, who has created successful and award winning art in many different forms. From art commissions hung in the the newly refurbished Abbey Road Studios in London, to screenplays & number 1 hit single productions.
Paul is now focussed heavily on writing, with his his debut fictional novel ‘How to bury cars’ becoming a best-seller and receiving 5 star reviews worldwide in 2023.
Paul has been writing constantly ever since and lives on a farm in England with his wife and children.
Paul is now focussed heavily on writing, with his his debut fictional novel ‘How to bury cars’ becoming a best-seller and receiving 5 star reviews worldwide in 2023.
Paul has been writing constantly ever since and lives on a farm in England with his wife and children.
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