Nobody knows it's prettier during the night than during the day. Nobody knows what happens during the night due to the silence, the darkness and the hushed whispers. Everything's clearer during the night, truth could be revealed, promises could be kept and confessions could be said.

Why?

Because the next day, you wish that people will forget what you said the night before. Oh wait, no. You know that people will forget. After all, it is nocturnal— it happens in the night. Everything would be forgotten the minute you wake up the next morning.

ㅡ ㅡ ㅡ

Oh Sehun is on a roadtrip with only his friends by his side until they stopped by the road seeing a lonely girl sitting on top of her luggage ba g as if she had been waiting for a car to just stop and give her a lift. Their whole plan changes when the girl had joined in their troop.

Just what happens then?