The portrait is gone.

Glenmorran House, on the opening night of its summer exhibition.

At nine o'clock the owner uncovered a portrait that had never been shown before, in a glass case in the long gallery. By half past nine the case was empty.

Three guests missed the speeches on the terrace between nine and half past: Maya, Priya and Zara. One of them took it, and is lying to you.

You have 8 questions for all three, asked in your own words. Clues turn up as you go. When you're sure, accuse, and stake points on it.

In this preview the suspects answer from lines written for the case; AI suspects are switched on only in testing. The rules decide what counts.