"Teen Beach Movie," part of the Disney Channel Original Movie franchise which introduced a generation to movie musicals, follows teen surfing sweethearts Brady and McKenzie, who together ride the last wave of summer, one that mysteriously takes them into a classic beach party movie, "Wet Side Story." There, it's surfers versus bikers for control of the beach hangout?and everyone spontaneously breaks into song and dance. Now Brady and McKenzie must try to return to present day, but their lives may be changed forever when they inadvertently alter the movie's romantic storyline -- as the handsome leading man, surfer Tanner, is falling for McKenzie while biker girl Lela is swooning for Brady.