The song Mercy was composed by the two members of Madame Monsieur band Émilie Satt and Jean-Karl Lucas. The lyrics of the song talk about a little girl called Mercy and born in a boat by Nigerian parents amid the recent refugee crisis in Europe.

Émilie and Jean-Karl were crowned the winners of the French national selection process Destination Eurovision. The outcome was determined by a 50:50 international jury and public vote. The song finished 3rd with the jury but 1st with the televoting, earning a total of 186 points.