Io Island

An investor planning on developing a tourist resort begins an investigation into the legends of the mysterious Io Island in the hope of exploiting its unspoiled beauty.
A company hopes to open a spa hotel named after Ieodo, a mythical island inhabited by the souls of drowned sailors. During a study trip to the proposed location of the hotel, a journalist disappears under mysterious circumstances. One of the contractors goes to Ieodo's neighboring island, populated by widows of the dead sailors, to unravel the mystery.