The tale of Captain Arnold Bessel, Lieutenant Audrey Jansen, Commander Morecombe Hetfield, Dr Kelly Marston and the crew of the USS Newfoundland. Picking up from the initial disappearance of the USS New World, Bessel travels back in time to rescue his friend, Captain Douglas, but it will be another twenty million years before they are reunited.
Meanwhile, infighting and ignorance of no-longer-extinct animals brings their party to the edge of extinction themselves. Surviving the life and times of Matilda, the aggressively territorial Tyrannotitan — a plus-sized lady with a decidedly negative attitude — proves more difficult for Marston and Hetfield even than their plans to rear a pair of baby sauropod dinosaurs. A hundred million years into the future, poor choices will lead to many being caught out by the eventual size of their pets. What would they know?