An enemy's vengeance from the grave traps Mortimer out of time.
Professor Mortimer is bequeathed an old house in France by a former
adversary: Miloch, the evil genius of SOS Meteors fame. Along with the
house is a letter inviting the Briton, as the only man of worthy
intellect, to discover a fabulous invention left behind by the departed.
Following recorded instructions, Mortimer activates the device ... and
wakes up a hundred million years in the past! Thus begins an incredible
odyssey through time... Captain Francis Blake, dashing head of England's
MI5. Professor Philip Mortimer, world-renowned nuclear physicist. The
most distinguished duo of gentleman-adventurers, battling the forces of
evil and their arch nemesis Olrik around the globe, below the earth,
even across time itself... The 19th adventure of Her Majesty's finest
protectors!