Bianca Castafiore has been imprisoned by General Tapioca! Also accused of threatening Tapioca's dictatorship, Tintin, Calculus and Haddock jet off to the jungle HQ of the revolutionaries, and hatch a plot surrounding the upcoming carnival and Haddock's sudden and mysterious disgust for whiskey...

The Arumbaya fetish has been stolen! But with the help of a talking parrot, Tintin is soon on the hunt for the famous artefact, which can be distinguished by its broken ear. He must solve a murder and discover the true value of the fetish, and quick - because he is not the only one on the trail.