A Woman from the East End

In 1954, in the East End of London, the murder case was hastily sealed. The mother from Jamaica came with a mysterious postcard. The sentence "Big Ben struck twelve" revealed the secrets of the aristocratic circle. What's more difficult than finding the murderer is breaking through everyone's deliberate concealment. The police, public opinion, and powerful people all stopped. In this pursuit of the murderer, one person faced the entire silent darkness. Intention: The truth is covered in dust, and there are always people who go against the wind.