The Fifth Mind

Three estranged brothers reunite in the basement where they hid as children, where an old radio broadcasts uncensored phone calls. Meanwhile, upstairs, preparations for Christmas dinner are in full swing. For fun, the three decide to call the radio station, but when they start talking about Christmas Eve ten years ago, the situation gets out of hand.

Satoshi returns to Taketomi Island to take part in his grandmother's 97th birthday 'mandala' party, a special celebration that's unique to this island. Just as he arrives at her house, he learns that she has just passed away. The next day from his grandmother's diary, they discover a long kept secret...