When the light fades

The successful author of the detectives Meg Brogan goes to his hometown to write a book about the undisclosed murder of his sister, which occurred two decades ago. Mag was then unconscious near the crime scene. Waking up, she never remembered what happened to her. Now she is trying to at least partially restore events, but the purpose of her arrival does not meet understanding in the city. Someone paints her house with blood and shoots on the windows...