A small remote island surrounded by the sea, this island harbors a secret. Nakamura, a non-fiction production staff member, got married. At his wife's request, he decided to work at a clinic on the remote island, but despite efforts to persuade him to stay, he quit his job. Then, after a month, Nakamura stopped contacting us. "Something's wrong..." We, the staff, were reminded of something Nakamura had previously told us...