Years ago during Mighty Morphin' Era time, a Purple Ranger disappear while fighting against the monster. Now, no one has not found missing Purple Ranger for years since 1993. Lost ranger appear in Dino Thunder Era time and found out that a Purple Ranger has been disappeared for 10 years. Tommy had been searching for his lost twin sister who disappears as a Purple Ranger at the same time. He hasn't found her for 10 years now and had to have watched his team stay out of trouble. He became a mentor, later Black Ranger, to Dino Thunder Power Rangers whose three teenagers with attitude. Kaya went into the flash of light to disappear and appear in another place and time which is unknown to her. She stays hidden to find out what happen to her brother and friends from the battle that she was fighting. Kaya found out it has been 10 years since she vanished into thin air by mystery during the fight against the monster. She went to find her twin brother or friends to help her get back in her own time.