邪惡又強壯的異物，趁黑摸進荒野，被仇恨沖昏頭的虎星，這一次又為雷族召來什麼樣的死神。 火心憂慮地想，虎星的壯大與每晚困擾他的噩夢之間，是否有所關聯？夢境向他呢喃著危險，與死亡。 同時間，一場不同於其他曾入侵過森林的、神祕而兇狠的威脅，正將每隻貓兒的生命置於險境。火心摯愛的領袖不再信任他們的戰士英靈，無能為力的火心只能祈禱她的決定是對的。 難道，星族真的已經放棄他們了嗎？ ShadowClan has a dark new leader, but will he be satisfied with his power now — or does his desire for revenge burn even more strongly? Fireheart fears that there is a connection between the rise of Tigerstar and the terrible dreams that haunt his nights, murmuring of danger and death. Meanwhile, a mysterious and vicious threat unlike any other has invaded the forest, placing every cat's life in peril. Fireheart's beloved leader has turned her back on their warrior ancestors, and Fireheart can't help but wonder if she's right. Has StarClan abandoned them forever? >> Teaching Guide