La Boum 2 (1982)
Directed by Claude Pinoteau

Film Synopsis

When she returns to France after spending her holidays in Austria with her great-grandmother Poupette Vic is 15 and ready for love.  Love is exactly what she finds when she attends a rock concert, generously supplied by 17-year-old student Philippe.  Meanwhile, Vic's parents are too busy with their careers to show much interest in her problems.  When her mother and father fly off to Africa for a week, Vic is left holding the baby, her 2-year-old brother Lucas.  Vic's parents are not impressed when, on their return, they find that their enterprising daughter has deposited the toddler with friends, so that she can spend the week with Philippe.  On her return to Paris, Vic falls for another man at a party - 25-year-old Félix.  As Vic and Philippe's love affair hits the rocks Poupette contemplates marrying an old lover of hers...