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The Forbidden Room
It’s now 15 years later and Thomas is retired. Still unable to shake his sister’s disappearance, he revives the case with the help of Anne and his old colleague Frank. Together they make a breakthrough when they interview Jürgen’s old friend Heiner.
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Other episodes for this season
![The Disappearing](https://image.tmdb.org/t/p/w300/1opHCXIiwrdCk1SBNocPb9dITt0.jpg)
![The Dark Force](https://image.tmdb.org/t/p/w300/iogec0dutIdse2xlmt0dS0pnrOL.jpg)
![The Double Decker](https://image.tmdb.org/t/p/w300/q3IV31GdJVoEXnRJWL8X9Z64dJB.jpg)
![The Promise](https://image.tmdb.org/t/p/w300/bV57aPAvjkasJXSQ4T8K9naMNEA.jpg)
![The Forbidden Room](https://image.tmdb.org/t/p/w300/jXA5VF9JDAoeI8wlKfvcvLBDeK2.jpg)
![Forever and Ever](https://image.tmdb.org/t/p/w300/kDwp89fOnJGJ48bZjzrSsIWOQaW.jpg)