Nathalie Martin-Laevens disappeared on April 13, 1980 on the Ile de Ré. Her half-sister Sandrine Grondin and her relatives launched a call for witnesses.

Without a new lead and under the effect of the statute of limitations, the investigation file was destroyed in 2014. “I tell myself she is somewhere, that she is alive. New technologies can perhaps help us, the Internet did not exist at the time,” breathes Sandrine.