In the eyes of the outside world, he is a cold and decisive capital helmsman, but he only takes off his armor from her, regards her design dream as a belief, and accompanies her through doubts and obstacles. She is an idealist that everyone thinks is weak, but she becomes more tenacious in the face of reality. She uses the power of design to connect the city and the countryside, and also melts the ice in his heart... This is a two-way journey about design and original intention, love and perseverance. When the stars hit the evening sky, all the ideals and deep feelings will bloom into the most moving form in time.