The male protagonist wins everyone's praise with his calmness, restraint and single-mindedness, and builds a safe fortress for the female protagonist. The female protagonist is a dashing agent who faces the road of revenge alone and shows decisiveness. In the love competition, the male protagonist's younger brother and cute baby become god assists, and the male supporting role chooses to let go despite his deep feelings. At the end, the male protagonist expresses his love in an alternative way, expressing his love sincerely, which becomes the finishing touch. The whole story shows the deep feelings of the male and female protagonists, as well as their warm interactions with the people around them, which is moving.