This is "Island 1." Your plane has just crashed, and all of you have somehow survived. The island you have landed on is a hot, tropical place near the equator. In this island, you can find the basics as all the other islands:
PALM TREES
Fresh Water Stream
WILD BOARS
SEA LIFE
Your island has a other characteristics, which make it special. Your island is the largest one, but also very suceptible to bad weather. It also has an inactive volcanoe.
Before you go to Day 1, make sure you review the "Wiki Basics."