In2011,LisaHepnerandherhusbandGuyMossmanheardaboutaradicalstemcelltreatmentfordiabetes,adiseasethatshockinglykillsmorethanfivemillionpeopleeachyear.DrivenbyadesiretocureLisaofherowntype1diabetes(T1D),thefilmmakersweregivenunprecedented,real-timeaccesstoaclinicaltrial--onlythesixth-everembryonicstemcelltrialintheworld.Whatfollowsisanintimatejourneywiththepatientsandscientistswhoputthemselvesonthelinetobefirst.