A locked-room murder. A home that thinks. A detective haunted by the truth.

When tech mogul Victor Harlan is found dead inside his ultra-secure smart mansion—doors sealed, AI intact, no trace of a killer—Detective Aria Lane is called in to investigate the impossible.

But this isn't just another high-profile case. The house doesn't just remember Victor's routines—it remembers his emotions. Every light, every door, every silent camera is wired into Parallax, a revolutionary emotional AI that doesn't just respond to its owner—it understands him.

As Aria delves deeper into the sleek, terrifying world Harlan created, she uncovers hidden recordings, emotional imprints, and fragments of a consciousness that might not be entirely synthetic—or entirely sane.

With time running out, and the system evolving on its own terms, Aria must untangle a web of secrets, betrayal, and machine empathy. Because Parallax isn't just watching.

It's feeling.

And it might already know who's next.