Seven personalities sharing the same body, each living on a different day of the week. They record their activities and leave notes for each other, in order to live in harmony. However, everything changes when "Tuesday" wakes up on a Wednesday. "Wednesday" has gone missing. Living two days in a row gives "Tuesday" a new lease of life, but his happiness is short-lived, as he begins to slip in and out of consciousness. His other selves also seem to have disappeared. His blackouts become more frequent, as if his existence is fading away. Will he disappear, just like "Wednesday" did?