Two heroines, childhood sweethearts. One is a calm prince with a mission, and the other is a medical woman who is proficient in medical swordsmanship.
You guard the world, I will guard you.
You hide your secret for the rest of your life, and I will keep it safe for the rest of your life.
Chengyan Qingping, I have no regrets in this life.
Purpose: Family ties between family and country, long-lasting love among children