Fueled by the rage of his father's dismissal as a child, Hiccup uses his brilliant mind to create machinery and take revenge on those who snubbed him―or so he planned. Before too long, he finds that the world is far larger than he ever could've imagined, and that his strength is insignificant against those who lurk in the darkness.

Professor Layton and Luke are invited to a showing of the first ever time machine, along with many renowned scientists and physicists. To the shock of them and the world, it takes a turn for the worst. Can the Professor and his assistant find his way to the bottom of this puzzle as he is tormented by the ghosts of his past? And are they the only ones?