Kate is sure that Zena's new beau is an art thief who only strikes at parties given by the rich and famous. But her efforts to get some information on her mother's latest suitor are hampered by the FBI.

Kate regrets it when the only witness able to verity the alibi of her client is murdered.

Zena, Kate, and Lou play a battle of wits with fellow detectives in a playful mystery weekend parlor game until the clues lead them to a real murder.

A vicious murderer who's pirating movies abducts Zena, hoping to exchange her for a videotape a dying man put into Kate's purse.

Kate's mother, Zena, is jailed for the murder of her husband's killer, and Kate and Lou shake a young hoodlum out of hiding to finger the real killers.

After a wild car chase, Zena and Harold, her latest beau, wind up in the hospital. She witnesses the murder of an accountant by Harold, the client he was blackmailing.