Gnatu, a female villain attempting to become Imperious' new second in command, uses her power to steal the life-force from civilians of Briarwood. The Rangers fail to stop her and her Spydex monster, the consequences weigh heavily upon Chip. Soon enough, Necrolai tricks the Yellow Ranger into unleashing a "soul specter" upon himself. Chip must join Daggeron on a trip to the dreaded Mount Isis to be freed from the spell. Unfortunately, Koragg awaits! But which Knight will prove the victor?