Vienna, 1911. Gustav Klimt, the most famous painter in the Austrian Empire, the darling of Viennese society, spots a woman’s nude body in the Danube canal. He knows he should summon a policeman, but he can’t resist stopping to make a sketch first. And as he draws, the woman coughs. She’s alive! Back at his studio, Klimt and his model-turned-muse Wally tend to the erstwhile-drowned girl. She’s nearly feral and doesn’t remember who she is, or how she came to be floating in the canal. Klimt names her Judith, after one of his most famous paintings, and resolves to help her find her memory.

Neither cosmic philosopher Lars Soren, hotshot pilot Bianca Petrescu, nor the high priestess Jessica McHugh—Lady Death herself—can say quite where in the galaxy they are. But after an experiment gone horribly wrong, one thing is clear: Asphodel Station isn’t in orbit around Jupiter any longer. Worse, the monsters that live out here—ancient eldritch beings thought only to exist in stories and nightmares—have now been alerted to Earth’s existence.

Halley is on the run from an interplanetary political scandal that has put a huge target on her back. She heads for what seems like the perfect place to lay low: a gigantic space barge storing the cryogenically frozen bodies of Earth’s most fortunate citizens from more than a century ago… The cryo program, created by trillionaire tech genius Zale Winfeld, is long defunct, and the AI hologram "hosts," ghoulishly created in the likeness of Winfeld’s three adult children, are glitchy. The ship feels like a crypt, and the isolation gets to Halley almost immediately.

Dr. Tyson Klein is a quantum physicist who has dedicated his entire life to his research. At CERN, he analyses data generated by the Large Hadron Collider, the world's biggest and most powerful particle accelerator. Now, Ty believes he's found a pattern in its output. It looks like an organised data stream, being broadcast over what he calls a quantum radio. Could it be a signal from another universe? A message sent from the future? Or something else entirely?

A house embedded with an artificial intelligence is a common thing: a house that is an artificial intelligence, infused with a thinking creature that is not human? That is something else. But now Deniau's been dead a year, and Rose House is locked up tight, as commanded by the architect's will: all his possessions and files and sketches are confined in its archives, and their only keeper is Rose House itself. Rose House, and one other.