In Chiquito, the capital of Palombia, the old Marsupilami in the municipal zoo feels that his end is nearing and wishes to die free, in the legendary Marsupilami cemetery. Warned by an escaped parrot, Marsu sets off to the city, along with Bip and Sarah, the two jungle orphans, to release their elder. However, there is a problem: Chiquito is in the midst of a revolution against its latest dictator, Baby Prince. And in Palombia, revolution is a national sport!