They reached the factory and Sarah Jane bit the top of the sonic lipstick and pointed it at the gates. They opened to admit them just in time. They parked up, and Sarah Jane opened the door, saying, "I'm going in. Stay here."
But both Maria and Cicely had no intention of waiting at the car - they watched as Sarah Jane flashed her lipstick a second time and the gate closed, trapping the possessed outside.
But as she tried to get the lipstick to work on the door to the factory, they were disappointed.
"They've put on a deadlock seal," realised Sarah Jane, as she pocketed the lipstick.
"What does that mean?" asked Maria.
"It means we can't get in," she answered.
Behind them, the boy called, "Sarah Jane!"
They turned to see the gate behind them close.
"We can't go back and we can't get in - what are we going to do?" Maria demanded.
"There has got to be a way of getting in, there just has to be! There's got to be something..." she looked down at her sonic lipstick.
"What do I do? Come on Doctor, help me!"
She started muttering to herself, and then she caught sight of something.
"Yes!" she whispered to herself.
With a roar, the BubbleShock bus had ploughed through the wall of the factory. And with a last dying mechanical voice, it wheezed, "Drink...Bubble...Shock..."
"I hope I'm not too late for the party," Sarah Jane called from inside the driver's cab.
"Miss Smith," Mrs Wormwood hissed.
Once the door was free of debris, Sarah Jane opened it and stepped out, along with Maria and Cicely.
"And Co.," Cicely chipped in. "So this is the infamous Mrs Wormwood we all know and detest?"
"You brought the un-child with you. I knew we should have quarantined you. No heartbeat, cold skin, half alien...oh, dear, I'm afraid they're probably extinct. And then there is your little disease. Vampirism."
She sighed. "Such a fascinating creature, but death...I wonder, Cicely," she asked, tilting her head, "How do you live with yourself? Your whole life is death - even you are dead in a manner of speaking. I should have ordered your execution when we first scanned you. Lucky I didn't input you into the Archetype. . .Angel Mallory."
Cicely snarled at her in fury. In an instant, Cicely had flown across the room, and when everyone's vision cleared, Cicely had pinned Mrs Wormwood by the throat on the opposite side of the room.
"You know nothing of me, Bane," Cicely snarled, in a voice that was so terrifying, most people in the room looked away in fear, including Maria. Cicely released her, and in an eye blink she was back beside Sarah Jane, and Maria was inching away from her.
"Angel Mallory is dead," she growled. "She died almost three hundred years ago. She is of no interest to you any more." She looked venomously at her.
"Cicely on the other hand might just have to tear your head clean off before the day is out."
There was no hint of any exaggeration in Cicely's voice.
"I warned you," Sarah Jane declared, watching Mrs Wormwood's cool appraisal of Cicely.
"Leave this planet."
"Have you met my mother?" Mrs Wormwood asked, brushing her leather suit off from bits of brick and dust where Cicely had rammed her against it, and with the other, pointing a finger at the ceiling.
Up in the rafters was a green, tentacled alien that Cicely had seen only once before, with a huge eye and a huge body.
It lunged slightly towards Sarah Jane, but Maria darted in front of her.
"Leave her alone!" she yelled.
"Maria, don't ever do that again!" Sarah Jane exclaimed.
The boy climbed down from the bus, and Mrs Wormwood sighed in relief.
"Oh, and she's brought us the Archetype," Mrs Wormwood said, eyes narrowing.
"He is a living thinking human being," Sarah Jane said furiously. "And you created him. What's he for, anyway?"
"He's an assembly," Mrs Wormwood declared, "Of thousands of different humans. A montage you might say. A collage. On every tour of the factory, we scan the guests, all ten thousand of them. We fed every strength and every weakness into him. The Archetype."
The boy said nervously, "I am everyone."
Mrs Wormwood nodded, a smug look on her face.
"But why?" Maria asked.
"For the other 2% who wouldn't touch Bane," Mrs Wormwood stated. "But since we've advanced our plans, he, is no longer needed."
And, with a cruel twist of her ring, the boy collapsed onto the floor.
"No!" yelled Maria, going to his side.
"He's only a boy!" Sarah Jane pleaded. "I'm begging you - let him go!"
"Oh that's so sweet," Mrs Wormwood simpered as Maria covered him with some sort of black material.
"But he's dying!" Maria gasped.
"And soon, you will join him," Mrs Wormwood said, satisfied.
"Like all our enemies. Our slave control is activated around the world. The time of Man is over. The time of Bane is come!"
Cicely looked at Sarah Jane.
"Please, let me rip her throat out. It'll be quick and humane."
"No," Sarah Jane said. "That's not how I work. I do not kill."
Cicely turned to her.
"If it's a choice between us or them, I pick us. Your concessions of mercy are going to get you killed."
Sarah Jane didn't reply.
"You failed, Miss Smith. This is where your lonely life is ending."
"Then she's not on her own!" Maria said defiantly and she whispered to Sarah Jane, "She's got me."
Cicely nodded in agreement.
"And I've got this," she breathed, carefully taking out her mobile phone.
And she dialled a number and held it up to the roof, and the Bane mother retracted slightly.
"The device is tiny," Mrs Wormwood said, turning away. "And you have angered the Bane mother. Do you really think that is wise?"
The Bane was descending from the ceiling now, letting itself down on great tentacles.
It picked up a steel rafter and swung it, but Cicely concentrated hard on it, and the rafter stopped in mid-air, no matter how hard the Bane mother swung it.
"Interesting," Mrs Wormwood mused. "The . . . girl has impressive powers."
Cicely tried to block her out, but her concentration slipped and she ducked as the Bane mother swung it and it cluttered across the floor. She cursed in a low, guttural language, rolling away from the Bane.
"Should have practiced with it," she muttered.
"Mother, descend and consume them!" Mrs Wormwood announced, pointing at the group huddled by the bus.
"But I've got this," the boy said, holding up the Star Poet's communicator.
"What is that?" snapped Mrs Wormwood.
"Its a signal device. It's a device from another world. Like a mobile phone but stronger."
Cicely went over to him, fuelling him with bravery, courage and encouragement.
"It can call across the stars. It must be a million times more powerful than a mobile phone."
"Then it's a good thing that you don't know our frequency," Mrs Wormwood said, obviously relieved.
"Mr Smith said it out loud," the boy said, remembering.
"But that was ages ago!" Sarah Jane exclaimed.
"But we can remember," Cicely said, reviewing the number.
"You gave me the memory of ten thousand humans, the boy said, and started inputting numbers, chanting in sync with Cicely.
"No! Stop them! Mrs Wormwood yelled in desperation.
"013457689014658757562987032105-5." The chorus of Cicely and the boy's chant was powerful, each digit making Mrs Wormwood's face grow paler in fear.
And he stood up, thrusting the device in the air with one hand and Cicely holding his other hand, and throwing the other upwards in triumph and both of them shouted, "Calling the Bane!"
And the Bane mother recoiled sharply, and even Mrs Wormwood clapped her hands over her ears and shrieked "No!"
"The Bane mother! You're killing her!" shouted Mrs Wormwood.
"Archetype! I order you to stop!" yelled Mrs Wormwood.
"But you made him human! He's ours!" Sarah Jane exclaimed.
"Don't listen to her! Keep going!" Cicely said, by his side.
Mrs Wormwood replaced her hand, and sparks started flying through the air.
Sarah Jane grabbed Cicely and the Archetype and pulled them away, Maria following.
Down a maze of passages and junctions, but Cicely trusted Sarah Jane, hand through the smoke and debris, they came to a steel door, which posed no problem for her. They ran outside, and Cicely felt it coming and dragged everyone out of the way. A split second later, the factory exploded behind them in a fireball, and Maria screamed in shock.