So this book might be something like her and her partner teen mom up and they try to find a killer but the killer starts attacking them so they they don't find out who he is or who she is or it could be her partner that's the one setting the fires and he's trying to throw her off or get her before she finds out that Tim or it could be somebody from her past when she was a firefighter that's doing all the firesit would be real twist to find out that it's her setting the fires just so that she can distract yourself or find interest in her job again because it's more of a life-or-death type of thing when you're dealing with somebody who's setting fires and startento try to attack you with buyers and little did she know it's her split personality because of her subconscious self when she's sleep or something