Fang Tuan is an ordinary person who is always distracted. His life is always spread out between reality and thoughts. When he graduated from college, the ignorant and young man stood on the podium and received applause for his candid voice. However, an accident caused by the wrong delivery of a USB flash drive left his youth with unspeakable regrets. Ten years passed by, and he suffered from lovelorn and illness, forcing him to look back at the past that he had been distracted and ignored. A sudden letter broke the peace, and the dusty confusion and unfinished concerns quietly emerged. The young man who is always wandering in his thoughts will eventually face the past and the present, and find his way back in confusion. The worries and unsolved answers hidden in the gaps between distractions are hidden in the depths of the years, waiting for readers to savor them.