There is never a dull moment in Deim, the city of the future. Every part of the city is in constant motion. You fall asleep in one district and wake up in another. Humanity has conquered monotony! That's what Cora Gaillot thinks, a beautiful seventeen-year-old girl, very sure of herself, who has been planning her future since she was ten. She wants to do the hardest job of all: be a postman! Everything is going well until a tragic event strikes the Gaillot home and Cora's life is turned upside down. Enjoy a world full of action and incredible emotions that will keep you guessing until the very end!