There seems to be a performance on CCTV 6 this week, and I accidentally saw the preview that day!
This is a summary of what I searched for you on the Internet:
Simon, known as the cold-faced killer, fell in love with the lovely girl of Bianting Company. In an assassination, Simon's bloody brother shot and killed his lover's father. In the face of love and friendship, between lovers and best friends, Simon had to make a solemn choice.
In order to save the fate from danger, my brother Li is duty-bound to rescue him with a gun. To this end, he offended Shi Shaosheng, and Simon, a spy of Bianjing Company who tried to make a deal with Japanese companies, and died. Brother Li and his girlfriend are in a crisis, and their lives are at stake. ....