A case of murder without a corpse. Amurder takes place in the dean's office of a law school, and the perpetrator, wearing a Donald Duck mask, flees after throwing his pistol to Dean Ansari. When the dean's secretary walks into the office, she sees Ansari standing over the body, gun in hand, and accuses him of murder. Giving a flimsy excuse, the dean vanishes. After a fruitless search for him, his ...