The Mystery of Crossing

This film (drama)Also known as穿越谜团，is aMainland ChinaProducerbeauty live，At2016Released in year 。The dialogue language isMandarin Chinese，Current Douban rating7.0(For reference only)。

Wei Gang (played by Sun Chun) is the director of Huadong Hospital. His wife, Ya Ling (played by Li Fengxu), has been living in a sanatorium for many years due to mental health issues, while their only daughter, Rong Rong (played by Zhang Xinyi), has been in a long-term relationship with a man named Hao Hao (played by Gao Xin). On Wei Gang's 60th birthday, both Ya Ling and Rong Rong return home to celebrate, and Hao Hao boldly proposes to Rong Rong during this festive occasion. But that very night, Hao Hao's teacher, Zong Feng (played by Jiang Shan), suffers the loss of her beloved son, Si Ning (played by Yuan Wenkang). She places a mobile phone at Si Ning's grave, consumed by grief, and spends her days dialing a number that will never connect. However, one day, the number unexpectedly connects, and on the other end of the line is a stranger named Ma Dong (played by Yuan Hong).