joy ezekiel: no, why would i be scared of them? emma: the nigerians have arrived.an mafia met its match? [speaking foreign language] emma: are you scared? [speaking foreign language] ♪♪♪ ♪♪♪ ♪♪♪ emma: how can a place like this exist in italy? we're just a stone's throw away from the amalfi coast and yet there hasn't been a war here or a flood or a fire or an earthquake. instead, castel volturno has been the product of sheer neglect. this is a lawless wasteland abandoned by the state. what makes this town different is that it's said to be the headquarters of a new emergent mafia, one that's coming over on the boats from africa. ♪♪♪ emma: do you think you were in the hands of the mafia? joy: yes, i was actually in the hands of the mafias. emma: italian mafia or nigerian mafia? joy: nigerian mafias, nigerian mafias, yes. emma: only two years ago, joy ezekiel was just like these girls, running for their lives when they see our camera. on the only road in and out of castel volturno, their madams force them to sell sex day and night. they've been tricked and traded for l