When Laura--a.k.a. Masterpiece Robot--heads into the backyard with her little sister Molly--a.k.a. Sidekick--her active imagination places them instead on patrol around the perimeter of a dystopian city, guarding against super villains. Then older sister Amber--a.k.a. Valerie Knick-Knack--throws handfuls of fallen leaves at them, unknowingly initiating a battle for the ages. The transitions back and forth from suburbia to dystopia in this...