Secret duo A + B Crime among dinosaurs

Artur and Bára are classmates and friends, but they don't draw much attention to themselves in class. They need to look inconspicuous. They are top detectives who use super-modern technology to solve intricate mysteries. It was supposed to be an informative excursion where the pupils would learn about life in the Mesozoic era, but the visit to the dinosaur park turned into a dangerous drama. It's on fire! Will everyone come out unscathed? And will Bára and Artur investigate who used the fire to steal?