Ray Summer's first six months of being the super-hero NightwatchMan has gone pretty well, but he is not feeling much love from Dina. Terry, wants him to step up his public profile. A daring rescue of volcanic proportions leads to a toothache and an appointment at the dental surgery. Just when he seems to have everything under control, Ray gets some news that will turn his world upside down.

Ray finds himself wary of a copycat superhero who he suspects is having an affair with Dina. Terry battles to keep his wife, Gabby, in the dark; despite her growing reservations over Ray. Meanwhile the promise of a present from a grateful survivor leads NightwatchMan to mis-read an encounter with Cavity Man, exposing him to a much greater threat.

With Rose now firmly in his corner, Dr. Ivamin is able to extract the information needed to bring down NightwatchMan. Terry continues to fight to keep his best friend's identity a secret, while Ray becomes obsessed with Dina's affair with DayWatchman. With Cavity Man setting his plan into motion, and with no-one to save him, is this the end for NightwatchMan?