In another world, or perhaps just another time, a submarine searches for evidence of man's lost history; a boy prepares to take the dive that will prove his worth; and a detective tracks down the villain he's been chasing for nearly his whole life. Suddenly, what seemed like three distinct stories begin to swirl together in the first wild chapter of humanity's most incredible adventure, full of monsters, scientists, maids, beards, boats, and a mystery that only Duncan Dimanche -- the world's greatest detective -- can solve. Olivier Milhaud is a French comic author born in 1970. His first comic, Le Viandier de Polpette, was published in 2011. Agito Cosmos is his first series translated into English. Fabien Mense was born in 1979. He has worked on Totally Spies!, Hotel Transylvania, and DuckTales. Mense co-founded Catfish Deluxe, an animation studio, in 2010, and released his first comic, Agito Cosmos, two years later.