An Unforeseen Incident in Barcelona

Agatha Mystery has an amazing sense of things and an unbelievable memory. She dreams of becoming a writer, but for now she’s an excellent sleuth! Together with her cousin Larry, who studies at a detective school, they travel the world to solve complicated mysteries. They’re helped by their faithful butler, a spiteful cat, and many strange relatives.

One day Larry receives a secret assignment from a school teacher. He has to go to Barcelona, meet an unknown person, and deliver a mysterious package. Agatha comes to the rescue—she’s great at solving mysteries. In Barcelona, mysterious events await them, and one of Gaudí’s masterpieces is in danger. The friends must prevent the threat!