Revolutionaries.Liu Lin was assigned by the Tongmenghui to protect Tan Xian and came to Shanghai to meet people. After Tan Xian died, she embarked on a treasure hunt alone in order to obtain the secret treasure of the Jingtan and hand it over to the Tongmenghui.On the way, she was caught by Men Sandao. As she got along with Men Sandao, her view of Men Sandao gradually changed and she tried to guide him to the side of the revolutionaries.When the secret of Jingtan was about to appear, Men Sandao and others were in danger. She and Lin Haohan protected Men Sandao and others from escaping, but she died as a result.