A serial killer who calls himself "The Laughing Corpse" dresses up in a skeleton costume and kills his victims with a poison-filled scorpion-shaped ring.

Inspektor Higgins

Peggy Ward

Sir Arthur

Sir Cecil

Der Fremde

Adela

Ramiro

Dr. Brand

Mr. Merryl

Sabrina

Mrs. Potter

Mr. Potter

Miss Finley

Professor Bound

Bannister

Library Clerk

Secretary

Captain
April 26, 1968

Inspektor Higgins

Peggy Ward

Sir Arthur

Sir Cecil

Der Fremde

Adela

Ramiro

Dr. Brand

Mr. Merryl

Sabrina

Mrs. Potter

Mr. Potter

Miss Finley

Professor Bound

Bannister

Library Clerk

Secretary

Captain
