Alarm für Cobra 11

While chasing a carjacker through a forest, Tom & Semir find the dead body of a middle-aged, brown-haired woman. Ashes are found on her, and a profiler links the case to a serial killer, who stopped killing some years ago, but was never caught. Further investigation leads to an online flirting site, where the killer is active under the nickname "Gemini". Soon, another woman is strangled by him. Anna Engelhardt decides to act as a decoy, in order to lure the killer into a restaurant. The plan goes wrong, and Anna finds herself in great danger.