Active and inquisitive black ants discover a box with sugar left after a picnic. The friendly squad of ants together with a Ladybug decide to take the treat to their anthill. But the sweet box has managed to disturb the tranquility of the entire valley, and other forest dwellers also have their plans to get the delicacy, in particular - those are the evil red ants-invaders. And so, on the way to the cherished goal, black ants are to overcome a lot of dangers and adventures.