All of Sweden is shocked by the mysterious death of the famous plastic surgeon Anika Flint. Reluctantly drawn into the investigation, Lynn Lindberg suspects that this is not an accident, but a sophisticated murder. And then it turned out that the deceased was involved in the underground world of BDSM, full of dangerous secrets and destructive passions. Is this case really somehow connected with the turbulent past of her beloved husband? Both Lynn's life and her family happiness are under threat...