This is the first "talkie" feature film by Hirono Yamada, the modern-day katsubenshi, or silent-film narrator.
Amanda, Isabel, and Jane are enjoying themselves on the beach when out of nowhere, they are attacked by a shark. The lifeguard, Hori try to rescue them and they end up on an island. There, they discover a mysterious message: "XYZ" and are attacked by an unknown creature. Will they overcome their differences and make it off the island alive? This film includes 3D images.