In the early days of the Republic, legendary martial artist Ye Ruzhou suffers a severe injury, losing her memory and winding up in the impoverished alley of Minfu Lane. By a twist of fate, she crosses paths with the carefree Chen Awang, and the two fall for each other. When local tyrant Zheng Juehou intensifies his hold over the neighborhood, Ye Ruzhou rises to defend her new community. Her actions, however, draw unforeseen danger, and together with Chen Awang, she faces the challenge to protect Minfu Lane’s hard-won peace.
Kang Benshan and Wang Ranqiu are workers at the Changxindian Railway Factory, having grown up in the “mouth” and “seam” areas at the heart of the ancient town of Changxindian in southwest Beijing. As skilled craftsmen, they tackle the toughest machine repairs and help build some of the finest trains.