 Documentary filmmaker, Stephen Larnell, travels to Dillan, Nebraska to investigate the spreading phenomenon of night school ninja classes. Stephen documents the experiences of Mark Rotane, a native Dillanite who is about to enroll in a 6 week ninja course at the local Ninco dojo. Beneath the Mask: Portrait of an American Ninja tells Mark s story, and explores the passions, dreams and struggles we all encounter in modern society.