Death was not an unusual occurrence in the cesspool that was London. This death seems particularly boring - since the whole incident happened in a split second, as long as the spectators are still rational, they can understand that it can only be an accident, or a boring suicide.
The incident happened in a dirty little theater. The deceased was a poor and unknown actor, with nothing special except for her beauty. No one would target such a young girl but only bring her the simplest and quickest death, instead of a vulgar, beautiful, or sensational end. There was no theft or romance here; no, she just swallowed some poisonous liquid and died suddenly. The men at Scotland Yard thought so.
The people at Scotland Yard thought so, but little Saivan's mother, Mrs. Wan, couldn't think so. If her son sails on a voyage and her daughter dies suddenly, if it can be proven that these are the faults of others, the mother will naturally make every effort to find out the gangster, even if the hope is slim. So when hope came to her in the form of a few relevant compliments from a beggar on the side of the road, Mrs. Wan found she had to go to Baker Street.
To be fair, her eagerness was not due to any great grief - no, she was just surprised at her indifference, and the guilt brought about by such a state made her determined to show the greatest concern for the case. Poor Mrs. Wan didn't understand that Sai Wan's death was destined not to elicit a single tear.