Tucker and Hamid are going to be grandfathers for the first time, but only if they can come together long enough to save their first-born grandchild.
Brightheart, a charismatic firefly who serves as the village hero, is challenged by a robot named Aurora. Heartwarming action and hilarity ensue, in a magical and vividly-hued pastoral landscape, as both parties embark on an evenly matched battle for dominance.
