Em Hansen, a woman working as a mudlogger on an oil rig in Wyoming, investigates the death of a friend, the rig's geologist, while battling sexism. Plenty of oil drilling lore, the author being a geologist.
Em receives a request from a patronizing ex-boss to try and discover why his 16-year-old daughter, Cecilia, is having such a hard time getting over the suspicious death of her mother.
