Luhan needs an escape and Sehun is there for him. What better way is there for an escape than to babysit twin toddlers at the Kim residence?

Jonghyun finds old piano sheets mysteriously jumbled up in his homework. What will he do with it and what unexpected things will happen after? Will shinee be able to solve the mystery?

Key has a diary and Jonghyun is dying to know what  is written in the mysterious diary.