When a prominent fashion designer falls beneath a train on Berlin's U-Bahn, everything points to suicide. Unconvinced, his family call Leo and Allissa. Find evidence about a young man's death - how hard can it be? With Allissa committed to a family engagement, Leo heads to Berlin alone. But, when the investigation leads from a late-night techno club to the sinister wreck of a Cold War spy station, things get more difficult and dangerous than he'd...