Set against the backdrop of the bustling metro system in Taipei, six stories of love emerge. Each story of modern-day love takes place at a different metro station: the Tamsui station on the red line, the Xinbeitou station on the pink line, the Daqiaotou station on the orange line, the Ximen station on the blue line, the Chiang Kai-shek Memorial Hall station on the green line, and the Zhongxiao Fuxing station on the brown line.