 The children found a crate with a lot of things, including a diary held by Fred s Great grandfather, Rocky Flintstone, who is about to visit him. His tale is during the First Rock War, where he is given a mission to release famous spy Mata Harock from the clutches of an evil German officer, General Von Rippenrock. However, as Fred reads the tale, he went over some real dogfights in the air as he attempts to free the beautiful spy...