The warrior code now allows a cat to formally change Clans, but ShadowClan's newest arrival feels increasingly unwelcome, and though ShadowClan warrior Sunbeam thinks every cat deserves a chance, one of the loudest voices of opposition is her own mother. Meanwhile, medicine cat apprentice Frostpaw scrambles to help RiverClan stay afloat under the watchful eye of a second Tigerstar, and the shadow of growing conflict looms over them all?