Gabriel Nemo has never been your normal, everyday twelve-year-old. As a descendant of the famous Captain Nemo, he's determined to use his Nemotech legacy for good. He and his best friends Peter and Misty spend their days studying at the elite Nemo Institute and in their spare time, run rescue missions in Gabriel's submarine the Obscure. But when a mysterious organization using advanced technology attacks the Institute and kidnaps Gabriel's mother, he and his friends set off on a race against the clock. They must find Captain Nemo's long-lost ship, the Nautilus, before his mother's time runs out!