The story starts as Robinkit and her sister Smallkit are made Apprentices. They will work side by side to become the best Warrior's possible. With their mom being Deputy of their Clan, RippleClan, they think they have all they need to become the very best they can be. But rivalry between the two sisters surfaces as they get older. While drama happens from inside the borders RippleClan's neighboring Clan, SmokeClan, is pushing at the border for more territory.