HollyClan, The Unspoken Truth

Summary:

Silverpaw and Gingerpaw are two seemingly normal apprentices, other then the fact that they have only one seeing eye between them. When Gingerpaw Is attacked by an "outsider", they go on a search for the truth; Why do the elders talk about "how it used to be", then deny speaking about it? Who was the cat who attacked Gingerpaw? Were they really an outsider?