Humanity is about to come to an end due to a mysterious signal; trapped at the home of a dead friend, Aubrey tries to turn things around after finding a mysterious cassette tape.

Office drone Arisu finds his own life imitating the mystery novels of his favourite writer when his wife disappears and he finds he is being pursued by a sinister figure in a rabbit suit.

This detective story begins with an article in Ogonyok magazine about Soviet naval officers who were awarded the highest British award, the Order of the Star of the Sea, during World War II. After reading the article, the young heroine of the film named Olga, a resident of a small seaside town, realizes that one of these orders is kept on the mezzanine of her modest apartment, in a shoe box.