The next stop is happiness. How do you know about uncle Cai's relationship with him?

The TV series "The Next Stop is Happiness" is the story that Cai told his uncle that his name is Ye. According to relevant public information, the TV series Next Stop is Happiness is an urban emotional drama directed by Ding Ziguang. On June 26, 2020, Hunan Satellite TV premiered and Mango TV was broadcast simultaneously. In episode 24, I went home with Cai, came in to inspect the property and told the property manager that the house was purchased and donated by his uncle Ye. Hearing this, Song Yuan asked Cai.