Ulrich looks to the past for answers and dredges up disturbing family secrets. Armed with new tools, Jonas probes the cave’s murky depths.
![Dark S1](http://157.173.199.108/wp-content/uploads/2017/12/Dark-S1-60x90.jpg)
Ulrich looks to the past for answers and dredges up disturbing family secrets. Armed with new tools, Jonas probes the cave’s murky depths.