Dante is reunited with MacDuff, an old friend who is dying from cancer. Luc's father, Darius, asks her to capture a geneticist who may hold the key to an alien gene known as ""The Divinity Cluster"".

While hunting a pair of con artists on Mars, Dante and Luc encounter a Raider with a boy who may be Dante's kidnapped son. Percy becomes trapped in Dante's VR device, which simulates his dead wife, Penny.