A melancholy man meets a stunning, mysterious woman while he is traveling, and discovers she may or may not be involved in a prostitution ring. She disappears after their relationship lasts a few days, and though he searches for her, those around him pretend not to know who he is speaking of.
L'Immortelle is a 1963 international co-produced drama film directed by Alain Robbe-Grillet, his first feature after the worldwide success of Last Year at Marienbad which he wrote. Entered into the 13th Berlin International Film Festival, it also won the Prix Louis Delluc.