EH: that's strange... first a stranger that mistaken our house then a stranger watching over us?! i better go to sleep now...

===in somewhere else===

Siwon: you, what's the news about them?

Stranger: their house was still the same and only the 2 of them where living there.. sometimes some of their classmates where there...

SW: ahh... ok... you better watch them again... don't let them notice you...ahm, how's the girl?

S: she's already a teen, now her hair was short not like the last time i saw her...

SW: how about the guy?

S: still the same, working at the restaurant as a waiter...

SW: ah.. ok,your informations were quite good.. he's your money for watching them..

S: gomawo,sir.

===next morning===

DH: hyuk,why do you have dark circles around your eyes?

EH: i was thinking something last night so i didn't get enough sleep..

HY: what was that??

EH: yesterday, a stranger  mistaken our house as jung family's house then i noticed last night again a stranger,it seems he's watching us...

HY: maybe those strangers were just 1 person

DH: ye, but why would a stranger do that? what does he want?

EH: i don't know...