After the shocking events of Power Rangers: Ranger Slayer, Kimberly is determined to purge the world of Drakkon's legacy, starting with Deadlock; the prison tower where Drakkon held all those who opposed him. But even the Ranger Slayer has no clue of the true power kept in Deadlock -- and what unlocking the doors will set into motion. As Kimberly investigates the worst of Drakkon's secrets, she sets in motion Drakkon's final plan -- one that will pit her against a fan-favorite Power Rangers villain.