Ba[;?sed _on a f
*am %ous stage play and set )in th] e yea/\r 1912, an  +upper crust English f-?amily dinne+@r is interr=upted/ by a[ polic[e in+*s%pector w/]h?`@o brin !gs news (that ! a girl []kno w$n t:[o everyone pre
+sent has d/%i=*:ed in suspicious circumstance?$s
\.! It seems that any _]or ]!all of them co*`ul/+
-d have had a hand in her deat^h. Bu[
$t w)
ho is the mysterious $ Inspe (;ctor \=
an`_d wha; t can he _:;want %!of them