Lady M. gives up everything in order to follow a man, Diego, who takes her on a journey without destination. The journey begins in Barcelona, his home town. On the way, she learns that he is married to a black woman and has a child. M. cannot cope with the subsequent parting and invites Diego, his wife and their child to share her life in Paris. In this unconventional and difficult set-up, M. strikes up a tentative rapport with Diegos wife. Diego eventually leaves both women, who themselves later part company. M. ends up alone again.