In the 21st episode of Begin Again, Lu Fangning knew that Lin Rui was the little brother when they were children.
Related Summary of Episode 21
Back then, under the activities organized by the school, Ling Rui tutored Lu Fangning with homework. Fang Ning did not follow Ling Rui's arrangement, but just brought him to the playground. Ling Rui showed the little adult demeanor and even brought Lu Fangning to play and do her homework at the same time.
Seeing Lu Fangning's happy face on the various amusement facilities, the indifferent little Ling Rui also gradually revealed a smile. Ling Rui borrowed a camera from the store on the side, and took a picture of Lu Fangning's smile.
But that day, Ling Rui's father died of a serious illness. Lu Fangning wanted to use money to help him. But Ling Rui just insisted on taking out the commemorative coin of the playground.
The familiar scene evoked the memories of the two of them. The relationship between Ling Rui and Lu Fangning took on a new color.
The death of his father made Ling Rui devote himself to the study of intractable diseases and eagerly hope to go abroad for further study.
When they grew up, their marriage seemed rushed, but it was like fate.
Ling Rui took out the lost and found commemorative coin and handed it over to Lu Fangning. Under the catalyst of emotion, the two people who had "reacquainted" each other officially achieved a positive result.