Sam & Mattie Make a Zombie Movie (2021) Sam & Mattie, two badass best friends with Down syndrome, rally the entire town of Providence RI to help them storyboard, script, produce, cast, and star in their own dream movie. This 10+ year adventure shatters disability stereotypes, champions the independent spirit, features over 70 gallons of fake blood, and culminates in the ultimate payoff: presenting "SPRING BREAK ZOMBIE MASSACRE" in its entirety, to the public for the first time.