Net runner Shelby failed a run and was captured by The Wheelman. Now, he serves the Wheelman as an Immortal, a quadruple amputee kept alive by machines while his mind runs the Net, searching for bits of data, corporate secrets and access codes.
In the net, however, he is Swift-Current, a merman, and he has fallen for another Immortal, Mark, a Lovecraftian monster hunter. But the Wheelman is a jealous employer and wants no distractions for his servants...