In the near future, The Venjix Computer Network and it's cabal of sentient Machines, has seized control of the Earth's defense systems and waged a successful campaign against the human race, reducing the planet to a heavily polluted wasteland. On the verge of extinction, what remains of the human populace are instructed to seek shelter within the domed city of Corinth, defended by a group of Power Rangers under the command of the mysterious Dr. K Dillon and Ziggy, two wayward teenagers, risk their lives against The Venjix Network's Grinder foot soldiers, eager to enter the city before the shields are raised...

Dillon's unknown ties to Venjix hardware casts him in suspicion and he and Ziggy are incarcerated. Yellow Ranger Summer decides to befriend him, whilst Ziggy's enemies from the Venjix Barricade attempt to get even with the conniving drifter. Dr. K completes work on the Ranger's new Zords, and Venjix unveils the luxurious and deadly Tenaya 7....

Dillon is welcomed into the Rangers ranks much to Scott's chagrin and acquires the abilities of the Black Ranger, whilst Ziggy is released from prison as a condition of Dillon's cooperation Meanwhile, Venjix sends a monster to poison Corinth's water supply. The Rangers are overpowered by Grinders as Dillon, suffering from nightmarish visions of his long-lost sister, attempts to leave the city and his new friends behind...

When holding auditions to determine who will be trusted with the DNA-lock for Ranger Green, Ziggy runs into several of his old acquaintances from the crime cartels, who he owes money too. He is soon bailed out of paying the price for dodging the mobsters by the intervention of a beautiful young girl. Impressed with her fighting abilities, Ziggy offers her an audition, which she passes. Ziggy returns to K's lab to retrieve the DNA-encoded morpher necessary to complete her initiation into the Ranger ranks, but when she reveals herself to be Tenaya 7 , a chase ensues across Corinth City when Ziggy manages to escape with the valued morpher...

During a battle against The Rangers within Corinth, Tenaya 7 leaves behind a remote-control hand that tests The Rangers abilities against a smaller and more frantic enemy than they are used to, as Grinders are able to infiltrate the city when the hand is able to lower the shields...

Ziggy attempts to prove himself as a competent member of the team let alone a valued one when Venjix unleashes an attack 'Bot with a magnetic ferocity. However, during the battle, Ziggy accidently teleports into the Corinth bank vaults and is arrested on suspicion of using the attack as a cover to deplete the vault. When The Rangers begin to ask questions regarding their friend's shady past, more light is shed on his ties to the dangerous Scorpion Cartel...

When the unstable Croc Carrier Zord spirals out of control, Dr. K requires a flux over thruster core to stabilize it, but the only one available lies on the outskirts of the city amongst the wreckage of Eagle-1, the fighter belonging to Scott's deceased brother Marcus. Defying his father's orders , Scott goes in search of the core, with Venjix's Grinders close behind...

Summer's parents become aware of their daughter's active duties as a Ranger and plea with her to return to her high society upbringing. Meanwhile, Tenaya 7 's efforts to attain a rare Black Diamond for use in empowering an Attack 'Bot are hampered by The Rangers...

The diamond sought by both Venjix and the Rangers lies in the hands of the least likely people in the shape of Summer's aristocratic parents, who, desperate for fortune and notoriety in the society papers once more, blackmail their daughter into marrying her hand-picked "suitor" Chaz in an arranged marriage..

A series of previously dormant malfunctions within Flynn's Ranger biosuit resurface, relegating him to the sidelines, but as his past reveals, Flynn is never too keen on doing nothing for long, especially when lives depend on his prescience....

Tenyana 7 uses a "Trojan Horse" tactic to infiltrate Dr K's lab whilst the Rangers deal with malfunctioning Zords. With her charges and her own life in jeopardy, Dr K reflects on her past, revealing her ties to twin siblings Gem and Gemma, the government facility known as "Alphabet Soup", and how her desire to see the world lead to a day which changed it forever.....

Dillon continues to receive nightmarish visions of his past as he sleeps. Meanwhile, a Venjix Attack 'Bot begins an assault on Corinth's weather satellites. The Rangers unite against it, but Ranger Black, tempted with discovering the truth behind his visions, soon proves unstable and unreliable, prompting Dr K to take him offline, but the defiant outcast is not so easily brought to his knees....

Dillon's Venjix hardware continues to make him an existing danger to the city and his teammates as he unknowingly begins lowering the city's shields. Scott finds himself cast in the role of reluctant babysitter when he must handcuff himself to Dillon to keep a secure eye on his erratic condition...

The Rangers journey beyond the safety of Corinth to assist Dillon in learning more of his past. However, they fall into a trap set by Venjix and become prisoners of the evil machine. Their only chance for survival lies in the intervention of two mysterious new Rangers...

Ranger Falcon and Ranger Tiger's true identities are revealed when they come to aid of the remaining Rangers once more after they are led into another insidious trap prepared by Venjix...

Feeling that Gem and Gemma's aggressive stance in the fight against Venjix matches his own passionate resolve, Scott elects to assist them. Meanwhile, Scott's father Col. Truman inadvertently leaves the citizens of Corinth open to attack when the latest Venjix attack 'Bot begins depriving them of their oxygen supply...

Believing a key figure from his past is enslaved at one of Venjix's factories, Dillon elects to aid Gem and Gemma in breaching the stronghold in a bid to uncover the truth...

The Rangers brave the armies of Venjix as they infiltrate the Factory to bring the Doomsday 'Bot project to a halt, whilst Dillon attempts to locate and retrieve a key figure from his past Meanwhile, the Falcon and Tiger Rangers are dispatched by Dr. K to reprogram the Doomsday 'Bot so it becomes compatible with The Ranger's existing Zords....

When their latest attempt at locating Venjix's secret palace leads into another trap, Gem and Gemma realize their maverick ways are beginning to take their toll....

A routine field trip turns into a reckless rescue mission when Scott and Gem stumble upon an enslaved group of humans. Eager to impress Col. Truman, Scott attempts to liberate the encampment, but he and Gem are soon faced with confronting Venjix's new and improved form on their own...

Gem and Gemma disagree with one another over Flynn's ideas in developing new technology for the team, now depleted of existing weapons. Gemma assists Flynn in designing and constructing the new Wheel Zord, but will it withstand the strength of Venjix's latest Attack 'Bot?

The women of Cornith City suit up to defend their home when Venjix's latest Attack 'Bot releases a gas that takes out all of the male inhabitants...

Col. Truman discovers Dr.K's connections to the Venjix virus and orders her arrest just as she is on the verge of reconfiguring the Rangers Zords into more powerful formations...

Dillon and Tenaya 7 begin searching out clues to their true origins when music familiar to both of them continues to trigger dormant memories...

Tenaya 7 begins to question her loyalties just as Dillon is finally delivered into Venjix's hands. Will the RPM Ultrazord be operational in time to save him, or will Tenaya 7 herself tip the balance in the Ranger's favor?

Scott is shot with a key that places him under the control of General Shifter. With his teamate in danger, Dillon calls off his search for Tenaya, but as the Rangers face off against Shifter in a bid to free their leader, Tenaya resurfaces in the more lethal and dangerous form of Tenaya 15....

Ziggy's debt to the Scorpion Cartel returns to haunt him when Tenaya 15 makes a deal with Frenzo Bob to deliver Ziggy to him in exchange for a special case...

Ziggy and Doctor K are accidently teleported into a distant cave outside of Corinith. The remaining Rangers scramble to deduce the password neccersary to access K's computer and retreive them, but thier efforts instead trigger a dormant time capsule recording complied by Dr K, to be played only if Venjix attained absolute victory...

The incredible scale of Venjix's true plan surfaces as an army of hybrid drones within Corinth await the signal from thier master to tear down the city from within.

When a magnetic wave cuts off Corinih City's electricity, the Rangers are left vulnerable to attack from Venjix's army of sleeper hybrids. Ziggy embarks on a solo mission to rescue Dr. K when The Garage is compromised, and Dillon's dormant Venjix programming begins to take control...

Tenaya infiltrates the control tower, with Dillon not too far behind, fearing her subterfuge will not last long Despite the loss of their powers, and short of a few members, the remaining Rangers vow to soldier on, and venture into the heart of enemy territory, determined to finish off their barbarous foe and save what remains of humanity...