A friend of mine proposed the theme. It might make for more amusing contracts in concept than practice, but it's worth a shot!
Conscience Does Make Cowards of Us All (Paris): 1-02-0902209-02
A mad girl drowns. A queen drinks poison. A king cut down. Goodnight, sweet prince.
And My Poor Fool is Hanged (Sapienza): 1-03-5371781-02
Three daughters dead. A blind man leaps from a tall cliff, or so he thinks. The Fool dies offscreen.
Now is the Winter of Our Discontent (Marrakesh): 1-06-2363694-02
One lord drowned, another beheaded. A lady poisoned. My kingdom for a horse!