Puss in Boots returns with the help of three kittens to rescue a precious ruby from the evil Whisperer. The infamous French thief The Whisperer has stolen a princess' ruby and Puss in Boots is on a mission to recover the precious stone. But Puss must somehow first tame The Three Diablos, three cute little kittens who were The Whisperer's henchmen, before they endanger the mission in this purrfectly charming comedy adventure.