The boy Fyodor have a puppy "terrier", purebred and stray. His strict father opposed to the dog lived in their home. To find an owner for the puppy, who would not just take it to his house, but will be its friend, Fyodor, together with a neighbor, a sailor, are heading to the "bird market" in search of a "good man."
Lionel Twain has invited the five greatest detectives to a "dinner and murder." How can they resist? Included are a blind butler, a deaf-mute maid, screams, spinning rooms, secret passages, false identities, and more plot turns and twists than are decently allowed.
In Madrid, the orphan sisters Irene, Ana and Maite are raised by their austere aunt Paulina together with their mute and crippled grandmother after the death of their mother and their military father Anselmo.
A quiet and inconspicuous man (Trelkovsky) rents an apartment in France where the previous tenant committed suicide, and begins to suspect his landlord and neighbors are trying to subtly change him into the last tenant so that he too will kill himself.