It's been 10 years since the world officially ended. In the last city on Earth, Jon Salt is addicted to Sadness, a drug that invokes its name, and obsessed with his lover, Michelle; both of which threaten to drive him insane. Strange creatures and new technologies appeared in the last days of humanity and the widespread adoption of teleportation technology sundered the fabric of time and space, leaving a smattering of looping ghosts. It is a sad, monotone world, but the remaining populace is happy, thanks to the anti-depressants in the water supply. The last government on Earth has taken a special interest in a gift that Jon possesses: the ability to make his thoughts real. Jon must rely on that gift and the help of a few unlikely friends to stay one step ahead of those who desperately want to use him for something far more sinister than even he could dream