This is a small rewrite of the Series 12 finale. In this version, the cyberman invasion was foiled with the help of Captain Jack, but at the cost of Graham sacrificing himself to save his friends.

Having just finished the long battle with the Lone Cyberman and his armies, saved the last human colony, and lost one of their closest friends, The Doctor, Jack, Yaz and Ryan were not sure how much more they could take. Just then, The Master leapt out of the Barrier, which showed the devastated ruins of the once Great Citadel of the Time Lords.

"Wow!", he exclaimed. "That's a good entrance."

Jack, having been on edge after a hard day of fighting Advanced Cybermen, raised his blaster, hoping to intimidate the man from the other world. However, The Master did not acknowledge Jack. Instead, he kept his eyes fixed on The Doctor.

"Be afraid, Doctor." he said. "Because everything is about to change...Forever."

Jack glanced at The Doctor, ready to fire on command. He saw the hardened look on her face. Clearly, she knew this man.

"Doctor, who is this guy?" asked Jack.

"He's The Master, Jack." she replied coldly.

This surprised Jack a bit. The man before him looked nothing like The Master he remembered. He knew about the wonders of Regeneration, the secret of Time Lord longevity, but it was still shocking all the same. The last version of the Master he had seen had short dark hair, a clean shaven, slightly round face, and was dressed in a plain, black suit. But most importantly…

"I thought he was dead." said Jack.

"Guess again, Jackie." replied The Master.

He then reached out his hand.

"Take my hand, Doctor."

The Doctor regarded him coldly. She was not in the mood for this. For Him.

"Not a chance." she replied.

"If you don't", The Master pointed his new Tissue Compression Eliminator at Yaz and Ryan. "I will start killing your little pets. One. By. One." He pointed at each companion in turn with that last bit.

The Doctor hesitated. She was on the edge, struggling to control herself. She had just lost Graham to the evil of the Cybermen, she would not lose her remaining fam to the lunacy of The Master.

"Fine", said the Doctor. "Just us. Let my friends go, and you can have me."

"No!" exclaimed Yaz.

"Don't do it!" screamed Ryan.

The Doctor turned to her friends. She wanted so badly in her hearts to defy The Master, to turn away and be with her fam. Ryan, having just lost the closest thing to a father figure he had, was begging her with his tearfilled eyes. He desperately needed her right now. However, if she didn't stop The Master right now, who knows how many disasters would follow in his wake.

She then looked at Jack. She hoped he would understand.

"Look after them, Jack." She said.

"Doctor…," Jack started.

"Until I get back."

The Master laughed.

"Which she won't be."

She turned, facing her oldest frenemy.

"Shall we, then?" asked The Master.

"Lead on" replied The Doctor.

And with that, the two Time Lords stepped through the Barrier. Back where it all started. Back to Gallifrey.