In a remote mountainous area, left-behind children depend on each other; each is the other's future. Girls have to have strong personalities to devote themselves to financial careers, which violates the vow they made with boys. Although he was ambitious in his career, he was unwilling to do so. When he returned to the promised place, he lost his most important love.
Concept: Paranoid love may be the third kind of love that can be forgiven