wasn't the picture about woo jin's real mother ? It was shown in one of the chapters, it is a proof that woo jin's real identity (the fact that he replaced the dying son, and throwing away his origins and his childhood)
* that woo jin's real identity is now dead (when he replaced the dying son he threw away his own name. Sorry, does that make it clearer ?
That's the picture that Woojin gave Joohoon, not the original picture that Joohoon had in his wallet and Jiwook stole.
Hey guys, I was wondering, what was that about that destroyed photo. First Joohoon beats someone to pulp just for looking at it and then when Jiwook rips it to pieces they still act like good friends? And who was on that photo anyway?!! Im not curious, I just want to know ;-D