When Santo's father left their tiny town in Italy for America, he made Santo promise to keep their family together until he has enough money to bring the rest of them to the US.

It takes a few years, but Mama finally gets word that their family can join Papa. Santo couldn't be more excited to go to America--and to see his father again. However, Santo gets separated from his mother and siblings at Ellis Island, and he is left to fend for himself on the mean streets of Manhattan. Santo doesn't speak English, he doesn't know anyone, and he has nowhere to go. He has no money and no help.

While searching desperately for a clue as to where his family has gone, Santo gets caught up with a gang of boys who steal to stay alive. But when an unexpected betrayal leaves Santo scrambling, it will take all the street smarts he's gained to find a way back to his family.