Dong Jun's trust on everyone crumbled

Dong Jun asked, “Are you sure mom…am I the one who told this?”  Dong Jun’s mom said, “Yes you are.  What’s wrong with you?  Did you forget that?  Is there any problem?” 

Dong Jun said, “Nothing mom, I just need to go to meet my best friend.”  Dong Jun’s mom said, “You just came back from hospital.” 

Dong Jun said, “Nothing to worry mom.  He tried to fool me.  I will be back soon.”  Dong Jun went to meet his friends.

In that time at Bo Ra’s house,

Hyun Joo entered home after dropping Dong Jun.  Bo Ra asked, “Where is Dong Jun?”  Hyun Joo said, “I dropped him at home.  If he comes here he will ask about what Ji Soon wants to say when he was at hospital.” 

Bae Ji said, “Thank god.  I already planned this but forget to tell you.  Anyway, you did that.” 

Ji Soon said, “Just stop.  Because of your plan we are about to lose our friend.  But fortunat