The incredible and touching true story of Miles Scott, a five-year-old cancer patient whose wish to be Batman's sidekick for a day became one of the Make-A-Wish Foundation's most memorable moments. Thanks to a viral-marketing campaign and tremendous outpouring of support from the local government, police, and citizens of San Francisco, Scott's dream of becoming Batkid for a day became a global phenomenon. His moving story is told in this emotional documentary by filmmaker Dana Nachman.