There's also the possibility that it was a case of mistaken identity. Somebody could have been aiming for someone else but accidentally shot Amy instead. Maybe it was related to a feud that Amy wasn't directly involved in, but she got caught in the crossfire. It could be a complex web of misunderstandings and misdirections that the characters in the fanfiction would have to unravel.
Perhaps a mysterious stranger who has some unknown vendetta against the Heartland family. This person could have been lurking around the ranch for a while, waiting for the perfect opportunity to strike. Or it could be someone within the community who has a hidden agenda and sees Amy as an obstacle to their plans.
Well, one possibility is that after getting shot, Amy's family and friends rally around her. They might call in the best veterinarians in the area to treat her if the shot was related to her work with horses. Her husband Ty could be by her side constantly, worried sick. And perhaps this incident makes her reevaluate her life and the risks she takes daily on the ranch.
It could be an old enemy of Ezra. Maybe someone from his past who has a grudge against him for some reason, like a business deal gone wrong or a personal feud.
Well, perhaps a new character introduced in the fanfiction. Maybe a spy from a rival agency who sees Abby as a threat to their mission. Or it could be an associate of a major criminal that the NCIS has been investigating. They might think that by shooting Abby, they can disrupt the investigation. Also, it's possible that it's a person with a personal vendetta against Abby, like someone she unknowingly wronged in the past.
It could be an ex - boyfriend who is jealous of Annie's new relationships. Maybe he couldn't handle seeing her move on.
It could be an old enemy of Chuck's. Maybe someone from his past who has a vendetta against him for something he did before.
One possible plot could be that a rival rancher, jealous of Heartland's success, kidnaps Amy. They might demand something in return like the secrets of Heartland's horse - training methods. The rest of the Heartland family and friends would then launch a search. Ty would be especially determined to find her. They could follow clues like a piece of Amy's clothing left at the scene or a strange vehicle seen nearby.
A jealous rival at the ranch could be a likely suspect. Maybe someone who is envious of Amy's skills with horses or her popularity at the ranch. Another suspect could be a disgruntled former employee who was fired by Amy's family and holds a grudge. It could also be someone from a competing ranch who wants to disrupt the Fleming ranch's operations by harming Amy.
Maybe it's a jealous rival in the forensic science field. They see Brennan as a threat to their own reputation and success, so they arrange for her to be shot to get her out of the way.
Perhaps it was someone within Toby's own group who had a hidden agenda. A so - called friend who was jealous of Toby or had some ulterior motives that led them to arrange for the shooting. This would add a lot of drama and betrayal to the fanfiction story.
Well, if Amy gets kicked by a horse in fanfiction, first of all, the other characters would surely rush to her aid. Ty, for example, would be frantic. He might use his veterinary knowledge to try and assess the damage right away. The incident could also change the course of the fanfiction. It could lead to Amy having to take a long break from her work with horses, which would be a big deal as horses are her passion. This could cause her to feel depressed and isolated as she is used to being around horses all the time. And her family would be worried sick, constantly hovering over her during her recovery.