Renata, a prostitute, is expelled from France where she practiced the oldest profession in the world. Back in Italy, she tries to commit suicide but a rich engineer, Paolo Martelli, saves her life. Martelli, who is married to Maria, falls in love with Renata and he starts an affair with her. While Paolo tries to break up with his wife, the former prostitute finds a job with a fashion designer, but Mrs Martelli comes to her place of work to make a scene to her and causes her to be fired...