Piskov, any idyllic small town in 1969. One day there is an incident that causes a sensation in press, radio and television, but leaves the citizens of Piskov completely cold. All clocks stop and time stops! A being from the future, more precisely from the year 523 to Gagarin, lands in the small...
When the Paris airport management is informed by telephone that there is a time bomb on board a Canadian Atlantic Airways plane to Montréal, they initially believe it is a bad joke. But the caller answers again. Inspector Bignon gets involved...