Until proven guilty / Sisters

Her brother Marco is dead, but Elena can't forgive him for Irene's murder. And while the Flavianos are quietly enjoying the wait to complete the deal with Krueger, our heroes must solve the case of a surgeon accused of uxoricide, who loses his mind and takes Ingargiola and Elena hostage. From a clue left by the Flavianos in their suite, Luca and his men finally manage to understand the ultimate goal of their plan: to get their hands on an illegal load of coltan, a precious mineral compound.