Old habits die hard, especially when you're a former nun...

When Kristin got kicked out of the convent a few years ago, she vowed never to become involved with nuns or priests again. But she's breaking that vow at every turn. And because of it, she's turned into a murder magnet.

She returns some piano music to a nun, this leads to her involvement in yet another murder.

Then someone tries to run her off the highway repeatedly, almost killing her. Her policeman boyfriend, David, has to protect her and find out who is following her and why. Late-night phone calls disrupt both of them, and he has yet another crime to investigate.

When Kristen begins teaching at a Catholic school near her apartment, she meets a nun who invites her to read a book she has written and soon she's entangled in another murder.

By the end, Kristen makes a final promise to David that she'll never get involved in any murder investigation again. We'll see how long that vow lasts.