A single mother and a married man enter into an affair with the understanding that their relationship is purely sexual. Though they agree the relationship has no future, they find themselves increasingly drawn into each other's company.
Adèle's life is changed when she meets Emma, a young woman with blue hair, who will allow her to discover desire, to assert herself as a woman and as an adult. In front of others, Adele grows, seeks herself, loses herself, finds herself.