Chen Luo, who was suffering from an advanced heart disease, found out before he died that his childhood sweetheart Ning Ran was hit by a drunk driver in order to find him a specialist.
In the seven recordings she left behind, every "Happy Birthday" she said was a race against death for time.
After being reborn and returning to the college entrance examination room, he rushed out of the school like crazy.
This time, he would risk his life to protect that silly girl.
"Ning Ran, listen, it's me who will chase you this time."
