To save the extremely rare Loro butterfly population before they emerge from their cocoons and perish in the massive forest fires in the South American jungle. To this end, the rangers travel to South America. The rangers brave wild animals, runaway cows on the Argentine pampas, and even a tango competition, speedboat race, and impregnable rock face to find the butterflies. Meanwhile, Moes befriends Cherpee, a jealous monkey who gives Taffie quite a hard time. Mike is annoyed by stubborn Bastiaan, who has decided to record his South American adventure on video for his fans. And Alwin and Sira... they experience one of the most passionate adventures.