Fang Mo and Lei Tian, two people who are so familiar that they can't be more familiar with each other.
They have been best friends since childhood and have been childhood sweethearts for more than ten years.
Why has Lei Tian become so unfamiliar in just three years?
Looking at the familiar face showing an unfamiliar smile, Fang Mo's heart was throbbing.
Life is like meeting each other for the first time, how will the forgotten heartbeat appear again?