"The body they found floating face-down in the river was wearing only underpants. If it's a fishing accident then is it a photography accident when a second corpse is discovered at a remote lake and is wearing nothing but her underwear? Ranger McIntyre's usual duties as a park ranger do not include murder--or women in underwear, for that matter--but he keeps on putting pieces of the puzzle together until they lead him to a backcountry hut and a murderer...

"Someone found out about a painting that Albert Bierstadt left in Estes Park in the 1870s. Someone who's willing to break into summer homes looking for it, and murder anyone who gets in the way. Many of those homes lie inside Rocky Mountain National Park, which means it's up to Ranger Tim McIntyre to find out who the searcher is, why they will kill for it, and where the Bierstadt painting's hidden. Luckily the park ranger can enlist the assistance...