Angel Unaware - J L Lemon

6th in the series. On Christmas Eve, Savannah and Ennis find themselves arresting Santa and having their detective's car towed. After \borrowing\ a cruiser, their evening continues as they answer a variety of strange calls - until they respond to the scene of an accident. The subsequent outcome paired with a phone call from her doctor gives Savannah pause about her life. She's diagnosed with breast cancer, the same disease that took her mother's life. She tries her best to deal with the news but..