[The Virtuous and Talented Undercover Agent Sheng Qingyan × The Clever and Quick-Witted Intelligence Officer Shen Songxi]
Set during the War of Resistance Against Japan, the story follows Shen Songxi, the heiress to a wealthy Shanghai family deeply involved with the Japanese army, who is secretly a Chinese Communist intelligence officer hiding in a university. Sheng Qingyan, a Chinese Communist undercover agent, approaches her because he suspects she is a Japanese intelligence officer. They gradually fall in love, but her family background keeps them from acting on their feelings. In the end, guided by their beliefs, they work together to complete a crucial mission. After the war is won, they are finally able to stay together.
Theme: Love of country and family
