Paris est en danger

A perfect day’s holiday for Manon and Alexis who are enjoying the sun at Paris Plages. Their tranquility, however, is disturbed by the arrival of a strange character who insists that they are the only two people able to save Paris from imminent destruction. What is happening? What do they have to do? The two kids set out on an extraordinary journey through time to collect the ‘four time keys’ and save their city.