Warriors: Stormytail's Loyalty (A Warriors fanfic)

Stormykit is the kin of rogues who were killed by a Thunderclan patrol for slaughtering elders. But she doesn't know of her lineage until her clan shows their distrust of her. After the death of Pondkit, a Shadowclan kit, she needs to earn the trust of her clanmates, proving herself loyal.
But her main obstacle is Thornclaw, Thunderclan's deputy. As she learns more about her parents, she begins to question her right to be a member of Thunderclan.
The ultimate test comes when her mother arrives at the camp, forcing her to choose between her clan and her kin.