After Roche's limit, is it eternal surround or a new round of closeness and alienation? The reunion of Luo Jiusheng and Jiang Jin after six years of separation was more difficult to solve than calculating the orbit of any celestial body in the face of the brand-new equation of marriage. When academic ideals intersect with practical responsibilities, and when old wounds are re-touched in intimacy - this time, what tests them is no longer the distance, but how they still choose to embrace each other and spend the rest of their lives together after seeing all the imperfections of each other.
