Dr Siri's disinterment and autopsy of the body attached to the arm provide some grisly surprises but it is his gifts as a shaman that put the septuagenarian doctor on the trail of the killer. As Siri and his team close in, they must tackle a marriage proposal, brave the perils of life on the open road, and come face-to-face with a horrific sacrificial ritual. Is it any wonder Dr Siri takes up disco dancing?