He Nanjing, a veteran bus driver with a spotless 15-year safety record, faces mounting pressure due to infertility in his marriage with his wife, Wei Li. Their relationship begins to unravel. During their separation, He Nanjing unexpectedly meets a young boy named Tongtong, who is being raised by a single parent. As He cares for Tongtong and builds a bond with him, both he and Wei Li gradually rediscover the meaning of love, family, and what truly matters in life.

Yu Junhao
as 贺南京

Qing Sun
as 卫莉

Zhikang Zhang
as 童童

Yuqian Jin
as 马倩

Chen Bing
as 钱爽

Ning Yang
as 调度科长

Chen Guangsheng
as 贺父

Dezhen Yang
as 贺母

Jianxia Zhang
as 贺大姐

Chao Ping
as 贺二姐