This is a story about luck and misfortune. Li Shiwei is a girl who is entangled with fate. Her extraordinary talent is the misfortune hidden in her luck. Because of a set of mathematical number theory, she meets Chen Zhihe, a young man who is equally lucky and unfortunate. The two go through eight years of research on number theory. They experience number theory being stolen, being captured by a drug lord, being ridden by bad luck, losing relatives, and being disillusioned. They smile peacefully under the orange street lights...
Intention: No one is born with sunshine, and there is no future that can be achieved quickly without paying any price. Love will never stop, and the emotions in the world always push people to extremes. It ends with love and begins with love.