1) Cao'er. I feel that Lady Suien might be a little redundant here - I'm not exactly sure what she would find that Cao'er would not. Cao'er was sharp enough to detect traces of Wudu Cult poison on Master Rong all those years ago, and she's even better now.
2) Chi Qilin, Song Lingshu. A bit of good-cop, bad-cop. Qilin does the clever maneuvering and sees if the daughter is full of shit, Lingshu's honesty gets her guard down if she's lying about something and gives Qilin someone to work off of.
3) Fu Xia. I am not that confident about this one - I just don't know who else to put. But at least this guy is an actual detective, plus it's a shitload better than putting Yifang and Song Lingshu on questioning duty. What if one of the servants is hiding something?
4) Fu Xia. Obviously would be better with Jing around because of synergy, but Jing can't be everywhere at once. Ideally though, it would be good-cop, bad-cop, as Baltika mentioned before.
5) Cao'er, Lady Suien. You need them both, because Cao'er doesn't have the detective skills that Lady Suien has.
6) Chi Qilin, Yifang. This is Qilin's wheelhouse. Bringing Yifang as muscle might not be a bad idea here.
7) Xu Jing, Lady Suien. An unorthodox pick, I know, but I think it has great synergy; Jing has the street smarts and the combat skills to maneuver this place, and Lady Suien would have the intelligence, the royal background and the experience of knowing Xiaofang before this to maybe know where she might have taken off. I think it has potential.
8) Xu Jing. Not sure if we could trust anybody but Jing to do this.
But really, you don't need my whole "plan" (not a plan. my first post was a plan and so was the second. some of it is vote-meta now, bro. ie, voting for one thing because I don't want the other even more.). I really just want Qilin and Song in there.
