How Do You Like My Sister?

Cécile pays a visit to her brother Daniel's teacher, who is planning to expel him from school. Pretending to be Daniel's mother, Cécile tries to plead his case. When her true identity is revealed, she explains herself--and unexpectedly falls for the teacher. Eager to see him again, Cécile looks for any excuse to meet. However, she soon discovers that the teacher's heart may already belong to another: the mother of one of his students.