The private investigators Arsène and his sister Fantoma must face the biggest challenge of their career: A newcomer dog, the ugly but fearsome Chewbacca, has been telling anyone that he, and not Arsène, is the best detective in the neighborhood! When Chewbacca’s lies achieve their goal to confuse all the animals, the legendary duet might soon have to face unemployment!
Meanwhile, the mysterious kidnapping of parrot Ferrante in the middle of the night, perplexes things further. Who is hiding behind this? Will Arsène and Fantoma manage to solve this mystery before the villain Chewbacca does?