It is revealed that when humans are "Posted" (transported), their inner desires influence the outcome, tipping them into alternate universes.

Rumors about his appearance inspire revulsion among staff members at the facility, and as those rumours spread into the general population, others begin exploiting the fears generated for their own purposes.

Justin and Cinnamon are taken to a secret facility by Myron Chester, the billionaire financier of the project.

The result is a wealth of information about other worlds completely different from their own, and a message with a warning: if the inventors of teleportation are not the first to undertake a one-way journey themselves, the outcome is almost always bad.

Greg Costikyan reviewed The Infinitive of Go in Ares Magazine #2 and commented that "The story is well written, as one has come to expect from John Brunner, and his plot is engaging.