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Psychological thriller about the aftermath of the 2011 tsunami. The film revolves around two women. Psychology professor Eiko, who lost her fiancé Kiyoshi to the tsunami, investigates premonitions when she learns that some people had prophetic dreams about the disaster. One of them is student Kaoru, who is working with classmates on a play about reactions to the tsunami; when her co-actors withdraw because of their doubts, Kaoru turns it into a stage monologue. Meanwhile, strange things happen on campus: Eiko sees Kiyoshi's ghost, and a student reading Dostoevsky begins to suspect he has a doppelganger...