He Ya and Fu Chen were lovers in college. They thought that after graduation, they would find a job in the same city, get married and live an ordinary life. Unexpectedly, Fu Chen, who is nineteen years old, resolutely chooses to join the army. He Ya, who can't keep people, breaks up with her. Ten years later, when the two meet again, will their love be shallow or shallow?
Mission: Deep love, patriotism, professional ethics