On the occasion of this day dedicated to Heritage children, go with us in search of our archaeologist friend Jean Find! We need young detectives because an incredible phenomenon happened on Tatihou. The island team was surprised by a loud noise in the marine laboratory. A most unexpected machine was discovered. At its foot, a crumpled paper, an old black and white photo… For weeks, the strange event has been recurring regularly. Dozens of photos arrive in the laboratory and seem to be from very different times. But what happened on this island? Come quickly help the team of Tatihou to clarify this intriguing phenomenon and to save Jean Found lost in the corridors of time!