As Lovely as the Peach Blossoms summary:

Legend has it that an invasion of foreign enemies during the last years of Daqi disrupted the people’s peaceful life. Aspiring men rushed to join the army to protect the country. The tall and handsome Liu Yan was no exception. Meanwhile, noble-born Ye Qinxue joined the army in search of Liu Yan. When they meet again, Liu Yan is strangely affected by Ye Qinxue…