Patrice will took over a dentist's office. Repairing a puncture, he is teased by 3 girls. At the dentist's house, he recognized the daughter, Véronique, as one of the girl. Mrs Lafoy proposed Véronique to take him to her husband's office.
After a conclusive meeting with the Doctor Lafoy, Patrice goes back home to Paris. He try to call Martine, his girlfriend but she seems not ready to follow him in in his job.