Everyone in prison liked Lenni. And everyone believed in the 25-year-old's innocence. When Lenni takes his own life, his sisters are plunged into deep despair.Shortly afterwards, another death occurs: this time Karl Dellmann and his wife Katja and their family are directly affected. Like a devilish game of dominoes, events in Nuremberg unfold one after the other - at the end of which two families, united in grief and loss, face each other, separated by anger and guilt.Paula Ringelhahn, Felix Voss and Wanda Goldwasser must try to stop a series that leaves a trail of destruction and death behind.