Mima Taro is a writer who has hit a slump. Tired of city life, he moves into the house he inherited from his father in the mountainous Hayabusa. When he joins the fire brigade, he becomes involved in a series of arson cases and suspicious incidents. As Taro searches for the truth, a huge conspiracy comes to the surface. Adapted from the novel "Hayabusa Shobodan" (ハヤブサ消防団) by Ikeido Jun (池井戸潤).