Gu Yu has been in love with his childhood friend secretly for ten years, but it doesn't matter anymore, because there is a white moonlight* in the other's heart that he has been yearning for so many years but unable to get.
Until on a certain day, the childhood friend suddenly comes and asks him to come out of the closet.
Jiang Rongye: Let's come out.
Gu Yu: …
When they run into Mother Gu and Mother Jiang downstairs—
Jiang Rongye: We are together.
Gu Yu, Mother Gu, and Mother Jiang: …
In fact, everything is just a facade. After the two families finally accepted the fact that they are together—
Mother Gu: How are you two couple recently?
Gu Yu: Oh, We're separated.
Mother Gu: What?
Gu Yu: Well, he went after his white moonlight.
Mother Gu: …
The Jiang and Gu, two families' hearts was shattered.
*White moonlight : someone a man cherished in memory and loved but unable to be with.