The Rising of the Moon

This will be my first post that doesn't involve Scripture so bear with me, there will definitely be more of that in the future, but since this is a dual-purpose blog, this is the other purpose.

I've been thinking of a new idea for a story, I haven't figured out a setting, or really a plot, but I have a character, one with a serious dual-personality issue. Here is a bit of dialogue:

"Why are we following some guy we don't know sis?"

"You wanted answers, and he might have them, or...  She might have them."

"What do you mean she? Does he have a girlfriend, or a wife or something?" he said with a snort.

His sister turned around and shuffled her feet a little, looking a little guilty.
"No, he doesn't, at least, I hope he doesn't. Anyway, that isn't what I meant."

"Then what did you mean?" her brother asked with raised eyebrow apparent, even in the dark.
"Let's just say he has dual-personalities, like, really badly."

Her brother looked even more skeptical, "So we're following a crazy person in the middle of the night to who knows where?"

The person they were following appeared right beside them even though he had been far ahead seconds ago.
"She means I have the soul of the Night Queen embedded in my body, that is as dual-personality as one can get, now let's go." with that he walked off into the dark, and of the brother and sister wanted answers to what happened to them, they had no choice but to follow...