When we left off, Shadi Martini was getting increasingly worried that his efforts to help those targeted by the Syrian regime would be discovered.

Here in Part 1 we’ll take you from Aleppo to Austria, from Detroit to New York to Istanbul, all in search of a sandwich.

Meet Dan Rossi - the street vendor that sleeps in his van to ensure he gets the most coveted spot in New York City.

Cara Nicoletti comes from a long line of butchers, but her grandfather didn’t want her to follow in his footsteps. So she spent ten years developing a sausage that he would never have imagined.