Burnt river

the long version

"When Detective Macy Greeley is called to Wilmington Creek, a sleepy ranching community in northern Montana, she expects an open-and-shut, if high-profile, murder case. What greets her is anything but. John Dalton, a soldier returned home from serving in Afghanistan, has been shot dead in an alleyway outside a local bar. Macy can't see any obvious motive for the attack, but John's closest friends and his twin sister Jessie have been keeping secrets. With a series of wildfires pushing the area's resources to the limit and Darby Lake's water level dropping to a record low, Jessie is becoming increasingly anxious about what may be uncovered if the rains don't return to the valley soon"--