She must now endeavour to introduce technology to the Luddite Summers while keeping the mers safe from extinction.

Moon must convince the Tiamatians to rebuild a technologically advanced society from scratch before the return of the Hegemony in 150 years.

Kullervo befriends BZ Gundhalinu, then betrays him and steals the faster than light stardrive they created together.

He marries a woman while simultaneously struggling to accept his own bisexuality, which is forbidden among the Summer clans.

Mer hunting has driven them to the brink of extinction, placing the network in danger.

Kullervo learns that he has access to the recorded memories of Vanamoinen, the creator of the sibyl network.

Kirkus Reviews called the book "absorbing and satisfying", praising its new ideas, in contrast to the prequel's reliance on literary allusions.