"A terrible thing has happened, a thing that the Detective Society must investigate. But this time I am not just a detective, I'm a witness. And I think that I might even be a suspect..." When Hazel Wong's beloved grandfather passes away, Daisy Wells joins Hazel on a visit to her family's estate in beautiful, bustling Hong Kong. But they are greeted with a shock : there's a new member of the Wong family ! As if that isn't enough, tragedy soon strikes - not once but twice.
There's been a murder and a kidnap, and no one is safe from suspicion... not even Hazel. The girls must work together like never before, confronting dangerous gangs and sinister private detectives to solve the crimes and discover the villain - before it's too late.