A lighting engineer master boarded a train and prepared to start his first trip after his eyesight was restored. It's bound to be an extraordinary journey. The university student he met when he was blind, this time, he really wants to see him for himself. A blind lighting engineer who strives for his dreams, and a dispirited university student who has no pursuit of any dreams, meet and change each other's lives.The Darkness Walks You Through,Yong Ye Zhong de Cheng Ke,Yong Yezhong de Chengke