In the damp, silent depths of the Pacific Northwest, former Titan Systems hardware architect Isaac has spent three years off-grid in a Faraday-shielded bunker carved directly into mountain bedrock. Having cut all ties to a hyper-connected world, his solitary existence shatters when a powered-down server bank begins radiating a spectral heat signature and pulsing encrypted data through empty cooling pipes. The impossible signal carries a single, shocking identifier: the cryptographic signat...