Xu Tongxin

Ten years ago, Wen Heng, who was fostered in a water town in the south of the Yangtze River, was taken back to Wen's northern house for the first time. There she met Yanxi. Their life is entangled together, life path taking them separate ways and together again.

Both Xu Yi and Gao Xiao Nan left their small town with misunderstandings and unanswered questions for each other. They reunite later in college. As a result, they made up with each other and resulted in a bond that spanned multiple years. Xu Yi and Gao Xiao Nan unraveled their old knots in their friendship, from friends to best friends, from young students to rookies in the working industry. They accompany each other and grow together. They are not lovers, they're actually far from being lovers. However, the boundaries that they've made of not touching each other breaks due to an accident. Will the friendship between Xu Yi and Gao Xiao Nan change? Will they part away or stay together?

At the end of an alley, a “lighting shop” is always lit up, and the mysterious boss carefully wipes every light bulb, while customers of all kinds come and go. A nurse and her boyfriend move into a new apartment near the shop. She gradually discovers that everyone here has a secret that they can’t tell. On a stormy night, she walks into the lighting shop at the end of the alley, and the answers are slowly revealed…