For its 20th anniversary, the AI-driven town of Concordia is due to expand to Germany. This plan is threatened when Oliver Miller, an analyst in Concordia is killed. Thea, a crisis expert, joins Isabelle, a Concordia devotee, to salvage the project. Their investigation reveals a security breach, linked to Oliver, that threatens the town's future.

The Concordia team grapples with Oliver's breach, discovering he was meeting with an outsider, who has since fled the country and is now primary suspect. As the German expansion presses ahead, an anonymous terrorist group publicly reveals it stolen private footage of Concordia residents, proving the threat goes much farther than anyone imagined.

Oliver is revealed to be more than a lonely analyst; he's been leaking private data from Concordia to THE FACELESS, an anti-surveillance group. The suspicion arises that the group might still be inside the system. Now, a desperate race against time begins to patch the hack and stop the Faceless before Concordia's hard-earned success unravels.

The Gothenburg police close Oliver's case, blaming THE FACELESS for his death. But when a second mysterious death occurs, Isabelle starts to suspect that something more sinister is at play. Finding abnormalities in the evidence, she traces it back and wonders if the truth is in fact connected to the founders of the town and Concordia's origins.

As the German launch nears, Isabelle discovers that Concordia's birth was no coincidence, revealing an original sin that threatens everything. Her bond with Concordia weakens, while Thea's grows as it offers a solution to her personal struggles. Meanwhile, THE FACELESS aim to sabotage the expansion by targeting Saxony's Minister President.

Isabelle uncovers more disturbing truths about the two mysterious deaths. The revelations tear Isabelle's life apart with her husband, NOAH, and mother-in-law and town founder, JULIANE, at the center of it. As the net closes around THE FACELESS, expansion proceeds, driven by Noah and Juliane, with Isabelle left to choose where her loyalties lie.