Seven years ago, Liu Yao, who was still in college, met Chen Yu by chance and fell in love without warning. However, Chen Yu's mind could not be guessed. He often wandered between Liu Yao and other people. After several twists and turns, the two finally determined their feelings for each other and stayed together for seven years. However, as time went by, changes came quietly.
Concept: Two people meet and fall in love at the best time, but in the end they cannot withstand the flow of time. Unknowingly, changes always come quietly.