It could happen, Missy knew. He'd changed so much and she'd changed so much, but she could still win him back. If she tried hard enough. If she could only make him realize. She'd taken Rassilon's blow. She'd willingly gone to hell for him. She'd saved so many of his friends across time and space and still he wouldn't even give her the time of day. But she'd make him see.
Missy engaged the breaks on the restraint frame's wheels and removed a certain screw from the mid-point of the structure which allowed her to bend it, and the Doctor, over for easy access. His clothes bunched, making it annoyingly difficult to pull his trousers down, and handles of the frame caught on Missy's hips as she lined herself up against him. And all the while, he kept begging her to stop and reconsider and to let him go –
And she would. She really would. But only after he understood.
"It's good, isn't it?" she asked, rocking in slowly. She soothed her hands along his back and his shoulders, which had been pulled to a straining angle by the position of the frame and the cuffs. "It's just like old times, isn't it? And we love each other, don't we?" She turned her head into her shoulder to wipe away an errant tear against her sleeve. "And everything will be all right, won't it? Because I did good this time. You'll see. Everyone will live. Everyone will be happy. And neither of us will have to feel alone ever again.