When a World War II bomb with two days to detonation is found in Berlin, Alex and his wife must work quickly to solve a 40-year-old puzzle.
| Actor | Role |
|---|---|
 Christiane PaulSandra Fechtner | Sandra Fechtner |
 Tim BergmannAlex Fechtner | Alex Fechtner |
 Christian OliverKalle | Kalle |
 Rüdiger VoglerKommisar Lobenstein | Kommisar Lobenstein |
 Sven MartinekTauch-Leiter | Tauch-Leiter |
 Horst SchulzeOpa Frank | Opa Frank |
 Joachim TomaschewskyJoachim Schmitz | Joachim Schmitz |
 Hans-Jürgen SchatzPolizei-Historiker | Polizei-Historiker |
 Reiner SchöneKiller | Killer |
| NNicolás ArtajoAlbrecht | Albrecht |
 Eva HabermannNot listed | Not listed |
| AAgi PrandhoffBibliothekarin | Bibliothekarin |