Igor arrives in Belize to descend the mysterious Maya rivers. In addition to looking for companions for the raft expedition, he has to deal with the imminent arrival of the tropical hurricane “Otto”.

After facing the risky rapids of the Moho river, the “Sicilian-Maya team” is preparing a very difficult expedition on the Monkey river, between pristine areas and wide banana plantations.

Returning from Belize, Igor decides to explore the river of his hometown: the Oreto of Palermo. This small and very polluted stream puts him to the test. Meanwhile, a flashback taker us back to the origins of The Raftmakers project: Igor’s failure on the Mekong river.

Igor interrupts the descent of the Oreto river in order not to expose himself too much to pollution and decides to go to the Piave, the holy river to the motherland, with his friend Francesco. But a bitter surprise is waiting for them.

In a desperate search for a pristine but populated river, Igor goes to Cuba with his friend Simone, to descend on a raft the Rio Toa. The prophecy of a shaman, however, warns them: if they want to go back safely, they have to battle the negative energy, born of their previous adventure on the Sil...

In this last episode, Igor and Simone face the greatest challenges of their expedition. Igor is faced with an important discovery.