Ben is thrilled when his mom signs him up for taek­won­do — espe­cial­ly when his best friend, Emilio, signs up too. Dur­ing their first class, it becomes clear that Emilio is a nat­ur­al. Ben, mean­while, strug­gles to keep up. He is frus­trat­ed and embar­rassed … until he runs into Mr. Wiz, the mys­te­ri­ous jan­i­tor from his school, at the stu­dio. Mr. Wiz gives Ben a black belt, and sud­den­ly Ben’s skills start to progress. What’s behind the sud­den improve­ment? And will the black belt help Ben come out on top when he and Emilio face off? Or will it cost him his best friend?