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.

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

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.