In a city with great progress lives a girl named Koby with her robot companion. Koby had dreamed of traveling the world since she was a little girl, however these dreams are destroyed when Koby is caught in a explosion and looses several limbs. She is brought to a shelter by her robot friend, Curious, where he learns she doesn't have much left to live. He connects a wire to her hand and gives her vivid dreams of all the places she wanted to go to. As they go on adventures Curious spills his heart in a series of letters.