Amsterdam is flooded with heavy weapons. A shooting at sex club Belinda has claimed the life of a Turkish Mafia family. De Cock and Ruiter do a reconstruction and find a possible witness.

LaCroix wants De Cock to investigate the missing weapons in secrecy. With some reserves, De Cock calls her in for help with the interrogation of crown witness Willem Kroos.

There is chaos in the city when suddenly every teenager seems to hold a weapon. De Cock's distrust of his colleagues increases when crown witness Hassan is kidnapped and killed.