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Three months after the Arctic, Isla Marsh is trying to remember what ordinary feels like. Back in her mother’s cottage on the Scottish coast, she cooks, she sleeps, she watches the fishing boats come home. The bond that once connected her to her cohort is fading to static. The enhancement that rewrote her biology is stabilising into something she might be able to live with. For the first time in two years, she allows herself to believe it might be over.
Then Dr Helena Voss walks out of a Norwegian prison transport, and the killing starts.
The survivors are being hunted.
One by one, the people Isla pulled from pharmaceutical prisons in the Arctic are dying – heart attacks, accidents, tragedies that don’t withstand scrutiny. Senna feels each death through the remnants of the bond. Someone is silencing every witness who could testify against the programme, and the precision of the kills points to one person: the woman who built it all.
But Voss isn’t working alone. As Theo tears through decades of classified documents, a conspiracy emerges that dwarfs Blackwood Marine – Ministry of Defence contracts, intelligence agency funding, a network of government-protected research stretching back to the Cold War. The programme was never just corporate. It was state-sponsored. And its architects will burn everything to keep that secret buried.
There is one facility left. The one where it all began.
Northpoint. A decommissioned military installation in the Outer Hebrides, hidden in plain sight for thirty years. Inside: the last surviving subjects, the complete research archive, and enhanced operatives from the programme’s earliest generation – soldiers Voss has been perfecting since before Isla was born.
Isla leads her fractured team into the heart of the conspiracy – a traumatised scientist whose nightmares smell of her own prison, a grandson dismantling his family’s empire from the inside, and a former hunter whose damaged mind is unravelling faster than anyone will admit. Behind them, a mother with a shotgun and a journalist holding their lifeline to the outside world. Ahead, the woman who selected Isla for the programme because a grieving girl with a dead father was the perfect subject.
This time, one of them isn’t coming back.
In the final confrontation between creator and creation, Isla will face the hardest question the programme ever asked: what happens when the weapon decides it would rather be human?