An intimate featurette following director Marc Webb as he premieres his first feature film 500 Days of Summer (2009) at the 2009 Sundance Film Festival.An intimate featurette following director Marc Webb as he premieres his first feature film 500 Days of Summer (2009) at the 2009 Sundance Film Festival.An intimate featurette following director Marc Webb as he premieres his first feature film 500 Days of Summer (2009) at the 2009 Sundance Film Festival.