Martin deals with the case of a young girl who has been acting out. When Louisa Glasson mentions Ritalin to the mother, Martin tries to point out that she is not qualified to give that kind of advice. A new police constable, Joe Penhale, arrives in Portwenn but seems to have a peculiar medical condition. Martin's aunt Joan has a car accident and Louisa faints while teaching a c...。Just as McCall considers ending her work as The Equalizer, she's pulled back in when she takes on Detective Marcus Dante as a new client who needs her help to find an untraceable group of bank robbers.。