The modern soul Ye Qingyan was transported to Dajing, grew up in the border area, and met up with his close friend Shen Yuetang, who looks exactly like him, to exchange identities. Unexpectedly, she encountered an avalanche and Shen Yuetang died. Ye Qingyan was mistakenly identified as the eldest daughter of the Shen family and entered Beijing.
In Beijing, she met Xiao Ciyuan, Chu Chengze and others. After recovering her memory, she learned that her best friend was still alive but was captured by Beidi, so they joined forces to rescue them at the border and put down the war.
In the end, she made a great wish - to protect Dajing, and hope that the world would be clear and peaceful, and she would work hard for it...
This emotional line.