Single Thorn

The story takes place in Chongqing in the late period of the Liberation War. Song Huaizhen (played by Song Chunli) was ordered by the party organization to go to Chongqing to restore the underground organization that was facing paralysis due to betrayal by a traitor. He used the convenience of his long-lost son Lin Xiaocheng (played by Sun Xun) in the enemy's special agency to gradually get closer to the enemy. Song Huaizhen has very traditional ideas, which sometimes conflict with her trendy daughter-in-law-in-law Qi Lan (played by Tang Yifei). However, considering the task she has, especially the overall situation of instigating an uprising against Master Niu and her son, she decides to endure the humiliation and bear the burden. On October 1, 1949, the People's Republic of China was founded. The Kuomintang knew that the situation was over and decided to implement the "Cold Arrow Plan" to destroy Chongqing before retreating. Obtaining this plan became Song Huaizhen's top priority. At this time, Lin Xiaocheng was suspicious of her identity and was full of hostility. Song Huaizhen would face a difficult choice...