Fuko, a seventeen-year-old courier, is hired to take researcher Yuriko Shima, an experimental biopharmaceutical, and its data to Suwa in Nagano Prefecture. As gangsters, a new religious group, and spies from another country pursue the cargo, the road journey draws her toward the dangerous truth concealed in the drug.

A transport mystery in which a seventeen-year-old courier races through a tightening pursuit to deliver a mysterious biopharmaceutical to Suwa.