The Inexplicable Appearances on Nolan Island

It’s a marvellous place: a far-away island that guards an underground treasure of wonderful works of art. But the appearance of a series of paintings in this virtually impenetrable museum is a great enigma.

Will the kids from Avante be capable of solving a case which everybody believes is impossible? Their only clue is a strange light which disappears into the sea.They’ll have to use all their investigative arts if they want to get to the bottom of this mystery!

Zinca, Axel, Oto, Helena and Ciro want to be the best detectives in the world. They are studying in the first year at the famous Avante school, where they can demonstrate their skills as investigators. Together they make up Nautilus, a group with a shared passion: solving mysteries.