 Ikuko is a dock worker and is on the boat as a deckhand, although she has found herself inexplicably drawn to the island for some time.En route, a large mass passes by the boat unseen by anyone, the waves turn red, a storm appears from nowhere, and a tsunami capsizes the vessel, splitting the passengers up.At the same time, a military helicopter carrying Private Yorito Nagai, Major Takeaki Misawa and Sergeant Hiroshi Okita crashes on Yamijima Island, killing Okita.