What is the relationship between Zhang Aijia and Dong Zijian?

Zhang Aijia and Dong Zijian co-starred in the film mountains may depart.

Dong Zijian plays Zhang Daole, the son of Max Zhang and Shen Tao. After his parents divorced, he immigrated to Australia with Zhang Jinsheng, and his impression of his mother was vague. Under the influence of the Chinese teacher, he gradually developed a longing for his mother and fell in love with the teacher.

Zhang Aijia plays Mia Dole's Chinese teacher. She originally lived in San Francisco, USA. After divorcing her husband, she went to Australia and became a Chinese teacher. She fell in love with the student Dollar and developed into an unforgettable love.