How Can I Promise You, Wan'an?

In the most beautiful years of their youth, they met, came to understand each other, and fell deeply in love.

Nan Feng and Ning Wan experienced all the joys and sorrows of a long-distance relationship, and all the sweetness and bitterness of loving someone in the military.

When the call to defend the motherland rang out,

to the border, to the grassroots, to the places where the motherland needed them most,

and with the dramatic twists and turns in the lives of their friends and family,

where will this borderlands love song lead?