Sarah's Aunt Emma's theatre troupe is doing The Sorcerer, as Emma has always hankered to play Lady Sangazure. Perhaps she made a bad choice, though, by casting a well-connected con man in the title role.
It's no mere evil spell that leaves Charlie Daventer dead on his bathroom floor. But the show must go on.
Cousin Frederick is hurled into the breach. Old Fred really can't tolerate the general assumption that his friend Charlie died by accident. He convinces Sarah that a murder has been committed. Sarah's husband, Max the detective, is off in Finland, so she tackles the case herself.
Clues aren't hard to find and when Sarah sorts them out, she learns that when the curtain falls that the show is far from over....