What if Bone had a sister? What if Tigerstar never died? What if Scourge made BloodClan a real Clan? What if Scourge became Scourgestar? And what if Scourgestar fell in love with Bone's sister? Read the amazing story of Blood, Bone's sister as she helps Scourge change BloodClan into a real Clan! But, a terrible darkness forms as Tigerstar makes Scourge's kin do something terrible. As the 5 Clans grow closer together, ThunderClan's medicine cat, Jayfeather uncovers a horrifying truth and keeps it a secret? What is the secret? What does Tigerstar do? Read to find out!