mattie zufelt two years ago-- when all they had was a big idea and a kickstarter-- to make an epic zombie movie. >> it's going to be like between horror and comedy, drama, same kind of thing. >> we have every average, everyday teen drama, like love triangles, or like heartbreaks or betrayals, or people living like... >> or it could be like teenagers' secret life. >> what i do to mattie is, i leave him behind. >> yes. >> and that is not cool. >> no. you can't leave a friend behind. >> reporter: the best friends-- both with down syndrome-- first met at the special olympics in grade school. from his living room in rhode island, sam told us a very personal reason for wanting to make the movie. >> "my whole life, i feel like i never fit in anywhere or had a voice, but some day that will change, i will be somebody. and that day is today." >> reporter: in many ways, sam was right-- their lives were about to change in dramatic ways. their kickstarter raised nearly $70,000. they gathered together family, friends, along with film industry and special effects professionals. it was all happeni