The Four Horsemen reunite and use a big show to expose the injustice of a tech tycoon, but the action fails. At the same time, their supporter Dylan (Mark Ruffalo) is also in crisis. The mastermind behind the scenes is the scientific wizard Walter (Daniel Radcliffe), who forces the Four Horsemen to complete an impossible theft mission. The Four Horsemen have only one last hope left, and they must perform an unprecedented magic show to clear their names and expose the mastermind behind them.