and they did everything a baby that age would do. except they were stuck. they were individually perfect, and i knew that cutting through them could change it. >> nicole is terrified to change who her boys are, but she knows they still need this operation to survive. so just one month after that meeting in the bronx, march 2016, the mcdonalds leave their home in illinois on a donated private plane for new york city. >> was there a special medical setup of some sort? >> on the plane? no. >> they think there is no need. the boys are stable when they take off. one hour into the flight, anias mysteriously stopp es breathing >> his lips were turning a little bit blue. he wasn't responding to me. nothing. i pinched him. i just did everything i could. >> nothing works. nicole panics. >> this is a good amount of