Serge Menessier has been paid to shoot a reportage on his ex-wife's depression. Now remarried, he has accepted the job to pay his debts and maybe because he is still in love with her, a famous actress whose career he contributed to launch.
On the evening of his birthday, the young painter Sadri walked out on his mistress Lisa, and the party planned in his honour. While ambling along the beaches of Carthage in the dead of night, he sees a young woman, as beautiful as she was enigmatic, completely nude, rise up out of the waves. She...
