Public health researcher Anette begins a study investigating the link between women's sex lives and an uptick in nationwide sick leave; the single Ellen sets out to prove she can still attract younger men; Martina reels from a fresh divorce.

Anette's husband Andres forgets their 20th wedding anniversary; Martina hopes her new book's success will let her move away from her ex; Ellen gets demoted; Nadia finds herself enthralled by her boxing trainer Diesel, an ex-con.

Anette's research garners increased attention after an interview; Martina tries to negotiate life under one roof with Beatrice; after Ellen crosses paths with an old flame, painful memories resurface; Nadia distracts herself with Diesel.

Anette, Martina, Ellen and Nadia meet for their weekly badminton game; Anette and Andres attempt couple's therapy; Ellen's tenure at the car dealership comes to a screeching halt; Nadia's boxing sessions with Diesel heat up.

Anette's sex dreams take a (bi)curious turn, but also impact the dynamics of her friend group; Nadia and Rasmus learn something new about their son; Diesel tries to prove his dedication to Nadia; Martina and Harald rekindle their spark.

Anette's interviews open her eyes to internet porn, inspiring her to try something new with Andres; Ellen asks Martina to present her novel to the publishing Academy; Nadia flirts with danger at the launch of Rasmus' trendy new juice bar.