The two knew each other since childhood but separated at the age of 7. When they met again, only Jiang Zhiyan recognized Luo Chuan but did not reveal it. He changed his name from Jiang Yanshi to Jiang Zhiyan, but did not say anything until he accidentally revealed it.
The two dated for a while, but they were separated for three years in college, and then they met and got back together.
The back is very sweet
Concept: Encounter may not have an ending, but it must be destined