Toby tries to clear a dentist accused of a medieval murder. Though an otherwise unremarkable woman, Mildred Minck has the distinction of being the first citizen of Los Angeles to be murdered by crossbow. The police find her dentist husband, Sheldon, standing over the body with the weapon, swearing that only Joan Crawford can identify the real killer. An insanity defense seems a natural fit, but Sheldon wants his neighbor, private investigator Toby Peters, to prove his innocence. The dentist is t