Sunker's Deep

In a world aboard the giant submersible Rampart, Sharkey, once celebrated as a hero destined to become an admiral, grapples with the truth of his false identity as he approaches his 13th birthday. When tragedy strikes, he faces the challenge of becoming a true hero amidst chaos. Meanwhile, above water, Petrel, Fin, and their crew embark on a perilous mission to defeat the Devouts and reclaim lost knowledge, only to find themselves navigating the dangers of their seemingly ludicrous plan. The story weaves together the fate of the Sunkers and Ice Breakers as they confront their differences and the looming threat of the Devouts.