Jongin is an amateur writer who takes Sehun as his muse and while he studies Sehun for his upcoming book, Sehun takes him as a model for his photography, the both of them fulfill each other's void in their heart; however not one of them have said a word about their hidden feelings. When Jongin finds out a secret about Sehun, he starts to question about everything that they've shared.

Kai receives a mission card out of the blue during his dance practice and immediately panics when he sees the familiar logo printed on the piece of paper, is it really what he thinks it is?Krystal is having fun with her f(x) members when the five of them are stopped by a lady and hands her a mission card, she blinks as she accepts the card, is it really what she thinks it is?