For five generations, the Tern has followed flight paths around the Earth. A fleet of massive dirigibles travels tirelessly above the devastated planet, veiled with toxic clouds and mists. Within the Tern, the remnants of humanity live in compliance with strict laws, under the command of their inflexible captain, the Compass. It has been a long time since the last dreamers abandoned hope of returning to land. And yet, someone appears to be sending signals from the ground…Those impossible images haunt their unique witnesses, a group of three teenagers. Their enthusiasm and hunger for truth will prompt them to take great risks to uncover this apparently perfect micro-society’s dark secrets.