The protagonist Lin Yi's father is Taiwanese and his mother is from Fujian. His father came to the mainland for work reasons and fell in love with his mother and gave birth to Lin Yi. Later, his father disappeared for some reason and his mother also died of depression. He stayed with relatives. In order to find his father, he got an exchange opportunity and came to Taiwan to find out the truth.
Intention: right or wrong, good or evil, right or wrong