He Zhengyu, a cold and arrogant lawyer living in 2022, moves into an older apartment complex and discovers a strange time-space phenomenon that connects his apartment with the previous tenant from four months earlier in 2021. Every night from 10:06 to 10:52, He Zhengyu and Chen Jialan, the former tenant, become involuntary roommates. When He Zhengyu learns that Chen Jialan knows Jiang Shenghao, a person connected to one of his clients, he seeks her help. Together, they use the time-space anomaly to their advantage, hoping to alter events in 2021 and change the future.

Yang Xuwen, Xiang Hanzhi, Wang Mengli, Dai Gaozheng, Cao Zheng, Xu Kaixin, Yu Xintong, Wang Ya Ni