Setting: the rooftop of 221B Baker Street at night. Sherlock is standing on the ledge, watching over the view of London, while accompanied by a woman who recently became Sherlock and John's new neighbor-the renter of the basement flat of 221 C.
John's voice was ringing in her ear: "-he says that heroes don't exist-"
she glanced at the man next to her.
"Sherlock. May I ask you something?"
"Mm."
"What's your definition of a hero?" The tall man sighed at the boring question. He kept his gaze on the view of London before him. "A hero is nothing but a fantasy. A non-existing fool who uses their so-called power to protect and bring 'justice', simply because of their idiotic desire to care for others... Quite a ridiculous, unrealistic dream."
"... Ridiculous, huh? ..." Her eyes remained on him "... I suppose."
She smiled to herself.
The smile had caught in her voice, catching his attention even if just a bit.
"... Why?" He asked, studying her face.
"Oh..." She lets out a light sigh, as she laid herself down on the roof of 221 Baker Street. Putting her hands behind her head, she looks up to the stars. "… No special reason." She says with a straight face. Sherlock turns back to his view above Baker Street. After a minute or so, he joins her in laying on the rooftop.
Her gaze remains on the sky. "It's really beautiful."
"Indeed."
"I thought you didn't care for-"
"-That does not mean I cannot appreciate its natural beauty."
Smiling, she thinks aloud. "It's a strange thing. We try to show just how small we are in the universe through science, and yet always try to show ourselves as oh so big and important between each other. I don't understand human pride."
Sherlock remains silent, looking at the stars.
She looks at him for the first time in a while; John's voice is ringing in her ears once more.
"-And even if they did, he 'wouldn't be one of them', he said."
She smiled... She smiled a smile of someone who knew a secret that was hidden from the universe in all of its forms. She turned her smile away towards the stars, almost as if to show off a truth that the stars would never know.
"... Why are you up here?" Sherlock asked through the silence, while a star crossed his path.
"I just wanted to see something a bit different tonight. You?"
"Bored."