In the bustling modern London, skyscrapers are intertwined with ancient culture, forming a unique landscape.Sherlock Holmes, the world-renowned detective, was once again attracted by the mysterious mystery, and together with his friend John Watson, he stepped into the conspiracy spun by the Black Lotus Gang.

One midnight, the bank's memorial office was invaded by uninvited guests.The mysterious symbol “Blind Banker” painted in yellow paint is not only a hint to the bank employees, but also a challenge to the entire London.Sherlock and John quickly launched an investigation, but the bank employee died mysteriously at home.What kind of secret is hidden behind this?

As the investigation deepens, two members of the organization that smuggled antiques were killed one after another, and the yellow paint symbols they left behind became the only clue.These symbols, known as Suzhou codes, were the codes used when smuggling antiques.Yao Sulin, a woman who works in a museum, became a key figure in this conspiracy.But when Sherlock was searching for clues in her home, he was attacked by unknown persons.

Traces of Suzhou Ma Zi were found on a statue in the museum.With the help of graffiti paint experts, the two successfully deciphered the code of the entire wall and found Yao Sulin hidden in the museum.Yao Sulin revealed that behind the smuggling activities of the Black Lotus Gang, there is a secret of a certain word in an ancient book.At this time, gunfire rang out and Yao Sulin died.

John invites Sarah from the clinic to watch the Chinese circus, but unexpectedly Sherlock appears unexpectedly.The three experienced a thrilling adventure in the Black Lotus Gang's circus, but in the end the gang members escaped.Sherlock cracks the code outside the street door, revealing the whereabouts of a hosta worth £9 million.However, when the situation was chaotic, the gang killer was accidentally killed.

All this happened because the bank employee stole the hosta during smuggling and gave it to his lover.The computer communication between the Black Lotus Gang boss and Mortiarty eventually led to his tragic ending.

In this episode, the screenwriter cleverly combines modern London with ancient cultural elements, highlighting the “modern” feature.The relationship between Sherlock and John became more familiar, and the contrast between the two became more obvious.Sherlock looked down upon a check from a college classmate, but John cleverly accepted the check, showing his smooth side.The appearance of Sarah adds many possibilities to the plot and also foreshadows the subsequent story.