Women Talking breakout star Kate Hallett and Ragnarok star Herman Tmmeraas have nabbed lead roles in the teen thriller Sweetness from director Emma Higgins.Hallet will play Rylee Baker, a 16-year-old who has a chance encounter with her idol, pop star Payton Adler (Tmmeraas), whom she soon discovers is a dysfunctional drug addict. Rylee decides to help Payton, only to see her misguided plan turn dark as she becomes intent on turning teenage fantasies into reality.