Two men and a woman are living on a desert island. They abandoned their real names, calling one "overseer," the other "operator," and the woman "logistician." They belong to a group called "The Smiley Life cult ", which is probably a new religion. They follow the instructions sent by e-mail and cook their own meals to keep lives on the edge, with the small number of supplies occasionally arrived by small boats, and the fish, shellfish, and wildflowers they collected; these are all "training". They are purifying the world and waiting for the departure to "Safe Heaven". However, after the sudden appearance of invaders from the outside world, the slightest fraying gradually begin to reveal each desire, delusions, and desires of controlling others. Then, the decisive change in their relationship took place...