Kim Hyun Joong & Hwangbo Hyejung - A Love That Will Transcends Time Part Two guests DBSK and SS501

I thought I can end the mv in two parts but I think I’ve enjoyed the mv myself that I had to make it into a full pledge musical drama^^ What happened so far: If you watched the first part, HJ and HB had an accident and HJ thought HB died, They are both Secret Agents, kin of Mr. and Mrs. Smith but it’s Mr. and Mrs. Kim here,^^ HJ survived the accident knowing his wife died but he received a message from his boss to come back for work because apparently his wife’s still alive... you know th