涅槃焚魔，凤后垂帘定邦

凤后前往东渊宫观看龙太子龙煜纳妾，被新妾胡媚儿误认成失宠太子妃，遭其设计诬陷。凤后展露威严，震慑众人，随后发现太子妃被胡媚儿长期投毒，处境凄惨。凤后彻查真相，揭露胡媚儿僭越、投毒及胡家贪腐的罪证，龙帝震怒，处置胡媚儿、胡烈等人，胡贵妃阻拦反被降位。不甘失败的胡媚儿献祭神魂入魔，勾结国师残余势力掀起魔乱。凤后催动凤族神火对抗魔乱，龙煜在历练中幡然醒悟，主动护驾、褪去骄纵。凤后追查幕后黑手国师。