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The space race has been dominated for decades by two rival superpowers, but just when they thought they were alone, a new force has arrived. Britain has developed an amazing space exploration buggy that might solve the planets energy problems. But will Britain's greatest achievement become one conman's finest hour?Will Spencer (Martin Kemp) and his right hand man/master of disguise (Chris Barrie) will re-unite alongside Will's niece Fiona (Joanna Taylor) head of marketing at the British Space Centre, and Travis (Stefan Booth), Tom's accident-prone son, in a series of comical misadventures spanning across the United Kingdom and beyond!In this fun family movie, our unlikely heroes will create a plan the likes of which the world has never before seen, to steal what every government wants. And the only person that stands in their way is Scotland Yard's worst detective (Dennis Waterman).Together they will use the UK's highly developed space technology to outsmart the world's most powerful ambassadors, and ultimately help put the 'Great' back into Great Britain.