Step Up Revolution : The Mob sets the dancing against the vibrant backdrop of Miami. Emily arrives in Miami with aspirations of becoming a professional dancer and soon falls in love with Sean, a young man who leads a dance crew in elaborate, cutting-edge flash mobs, called "The Mob". When a wealthy business man threatens to develop The Mob's historic neighborhood and displace thousands-of people, Emily must work together with Sean and The Mob to turn their performance art into protest art, and risk losing their dreams to fight for a greater cause.