A murderer always kills across Europe according to the same pattern: he kills single women and provides the victims with his personal signature. A friend of Abel's is suspected. Abel wants to help him and investigates himself.
| Actor | Role |
|---|---|
 Tim BergmannDr. Fred Abel | Dr. Fred Abel |
 Annika KuhlLisa Sutter | Lisa Sutter |
 Dietmar BärGeneralstaatsanwalt Oliver Rubin | Generalstaatsanwalt Oliver Rubin |
 Uwe PreussLars Moewig | Lars Moewig |
| LLuka OmotoDr. Sabine Yao | Dr. Sabine Yao |
 Ingo BroschProfessor Clemenceau | Professor Clemenceau |
 Éric GodonMercier | Mercier |
 Christina HeckeMarie Lindweg | Marie Lindweg |
| SStefanie HönerMarlene Abel | Marlene Abel |
 Alexander HörbeKommissar Markwitz | Kommissar Markwitz |
 Mirijam Verena JeremicIrina Petrowa | Irina Petrowa |
| SSabrina Lopez LeonardDanseuse | Danseuse |
 Mette LysdahlWiebke Abel | Wiebke Abel |
 Anita OlatunjiLilou Maran | Lilou Maran |
 Kerstin RömerKrankenschwester | Krankenschwester |