Hans and Franzi soon find a break-in at Nina Gundlach(s home was about documents, not loot, and committed with a key. The team gradually works out it's about her ADHS-affected teenage son Henri Freymuth, whose custody-deprived father and uncle risk everything to take him along on an American adventure, despite repeated setbacks, and the conflicted knave, who hates his private elite gymanium, covers for them. Mattes's murderous mood and party nights to get over Eva having virtually forgotten him already make him less careful.
—KGF Vissers