Shows a figure in a scarf looking at something then scaling down the inside of a giant structure buried in sand. The figure walks through something that looks similar to the TARDIS' control room.
A voice asks, "Who are you?"
The figure is walking through a desert with a miniature Dalek by its side.
"I'm no one."
Shows the figure now without a scarf and wearing a bowtie and jacket as she stares off into the distance. She looks very similar to Osgood and may in fact be her.
BBC logo appears.
Shows a crowd of Cybermen standing in front of a figure on a stage.
The male voice says in voiceover, "I was raised to do one thing" as he takes his Cyberman helmet off.
Shows a Cyberman crashing towards a desert planet from space.
"But I've got nothing to fight for."
Shows the Cyberman helmetless and without most of his armor walking through the desert. He looks very similar to Danny Pink.
Shows the interior of a ship with an opposing figure dressed in the original Master's outfit looking ahead.
In voiceover he intones, "Nothing will stand in our way."
His face looks similar to Roger Delgado's portrayal of the Master but younger.
"I will finish.."
Shows a skull that looks similar to Davros.
"…what you started."
The younger Master stares into a young man's face and the man screams as a sweeping orchestral version of "I Am The Doctor" plays.
A TARDIS is being chased through a desert by Daleks and Cybermen.
"There were stories about what happened," says the female from earlier.
Shows the Cyberman and the bowtied female inside a TARDIS.
"It's true," as an older figure who looks like Ian from the original Dr. Who series stands before them.
"All of it," he says.
Shows the TARDIS beginning a time jump as thousands of stars intensify into a bright light.
Shows the young Master standing into the rain with Cybermen and Dalek beside him.
Shows WWII era fighter planes with obvious upgrades flying over the lake. Shows dogfights between the fighter planes and Daleks with Cybermen on the ground.
"The Time War," shows the fighter pilot walking up to the now former Cyberman and touching his arm. The Cyberman seems to recognize him.
"The Time Lords."
Shows an explosion behind the mini Dalek, Osgood and Danny Pink and they react. Shows Ian leading the three to a broken version of Skaro.
"They're real" as a figure in a robe touches K-9 in front of a campfire.
Shows the young Master pull out a sonic screwdriver and then Osgood kneeling before a downed figure and crying.
Shows Ian with his hands over his head with a Sonatarian who also has his hands over his head.
"The Doctor," says a female voice.
Shows the miniDalek in the fighter plane as the fighter pilot starts up the plane.
"….is calling to you."
Shows Cybermen exiting a ship, with Osgood firing a gun, more dogfights then the young Master stretching out his hand, then cuts to an older Barbara hugging Ian. The former Cyberman is standing in a snowy forest and pulls out a sonic screwdriver that looks like the Doctor's. He has a look of "oh crap" on his face as the young Master staggers toward him with his sonic screwdriver.
"Just let him in."