Louis, a 34-year-old playwright, arrives to visit his family after 12 years apart. Carrying the diagnosis of a terminal illness in his mouth, Luis spends Saturday with his mother, sister, brother and his wife. In the intimate setting, grievances, silent conflicts, repressed anger and confusion inevitably begin to surface. Words fill the house, but will Louis be able to articulate the reason why he has returned to his home?

Jean-Luc Lagrace is a French actor, director and playwright. Although he was not considered a very successful playwright in his lifetime, he was widely acclaimed after his death, becoming one of the most important and most produced French playwrights. "Only the End of the World is his most famous play.