An anonymous narrator outlines a bizarre journey taken through "H", aided by a series of extraordinary maps, and his previous dealings with the mysterious Tulse Luper and the keeper of the bird house at the Amsterdam Zoo.

Time is finite for everyone, but what one does in that limited period are what is called as “living”. When a father suffers from a disease that destroys his memories and consciousness, his son is determined to give him the most beautiful memories of life before his passing.