In today's Japan the lives of eight people semisconosciute they intersect each other with double wire ties as close as random, but perhaps intended by fate. The story begins with Utako and Sayata, two boys of 27 years who have been together for 5 years and lived together for 2. Their story is interrupted when, by fate, an event from the story that gets to the foot presenting slowly, like pieces of a puzzle, all the other players.