While searching for the truth behind a rumoured Atlanticsea monster, Modo and Octavia hire a ship to sail tothe exact coordinates of its last sighting. They aren’t the onlyones who know these coordinates: the beautiful and mysteriousFrench agent Colette has been researching this mystery aswell. Upon reaching the site, their ship is rammed and Modo isplunged into the icy sea. Then, he disappears from sight. Savedfrom certain death by a most unlikely rescuer, Modo discoversthe truth behind the sea monster. But the Clockwork Guild isclosing in. How will he get back to the surface?