The plot follows a day of the life of Big Buck Bunny when he meets three bullying rodents, Frank (the leader of the rodents), Rinky and Gamera. The rodents amuse themselves by harassing helpless creatures of the forest by throwing fruits, nuts and rocks at them.
After the deaths of two of Bunny’s favorite butterflies (one by an apple falling on top of it and the other by Frank smashing it with a rock) and an offensive attack on Bunny himself, Bunny sets aside his gentle nature and orchestrates a complex plan to avenge the two butterflies.
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