Ellen Lucas takes up the leadership of a police task force charged with finding the killer of a 5-year old girl. Then a second young girl goes missing.
Lucy, the delinquent teenage daughter of a Nigerian immigrant faces possible deportation to Nigeria. White supremacists kidnap the German girlfriend of Lucy's father and threaten to kill her if the girl is not deported within three days.
At a camp for children and teenagers, a young boy goes missing one night, and is later found dead at the foot of a quarry wall. Inspector Lucas investigates the camp staff, including their puzzling connections to a nearby forest cafe.
A garbled video is found on a young male murder victim, with links to a website "Pain Attack," with uploaded videos of violent bullying. Diana, a high school victim of such attacks, refuses to speak.
Without A Trace: A young woman disappears on her way to work from the neighborhood she's lived in all her life. Detective Lucas investigates with the help of her team, which includes a new young officer.
*When Everything Falls Apart*: Eric, a popular school teacher and the cheating husband of Ellen's old friend, disappears in the woods. His dog is killed. Turns out he was receiving hate mail. Seems their troubled son is somehow involved.
The daughters of a pharmaceutical executive are kidnapped, but the ransom handover takes an unexpected turn, leading to unforeseen negative consequences for the family and for the Regensburg PD.
After the body of an Eastern European man has been found, Lucas is investigating in a building environment. There she encountered glaring grievances. To clarify the case, she smuggled her colleague Brauer into a construction site as a worker.