Rebecca visits an old colleague from MIT who is currently working on Okinodoku Island. To her surprise, the entirety of Class 1-C is already on the island and awaiting her arrival. Things start to go awry when Mesousa gets lost and Class 1-C mounts a search party to find him.
Media's introduction involves her sky-diving from an airplane and doing a high speed landing onto the deck of the ship transporting Rebecca to the island
Mesousas are growing from a strange tree in the island and Becky must choose which one is the real Mesousa... she chooses the one that clearly isn't.
When entering the cave where the professor is located, Rebecca and her friends fall through a bottomless pit and end up in Brazil during a festival