You can have great sex at 40

Derin, a 40-year-old woman, discovers that her stepson, Sesan, is having an affair with Mariam, one of her friends. Mariam, although married to an older man, has an insatiable sexual appetite and has started seeing Sesan. Despite knowing her actions are wrong, she continues the relationship, sending sexy messages to her lover. The situation becomes more complicated when Mariam's husband visits to ask Derin to intervene.