Dying of Desire in Bloomington, MN

Once again McCall and Malone are in jeopardy as they very tentatively explore a relationship.
A young man named George Heatherly wants the two Portland, Oregon, private investigators to simply look into the finances of a local charitable organization involving his wife's family. Meanwhile, a friend of Clint's asks them to protect a young woman who has escaped the street life and doesn't want to go back.
Both cases should be simple enough -- so who is trying to kill Clint and Devon, and why?