It's a story of two brother fighting to earn money and have a good stable life after their parents died , but life was so hard after the younger brother fell sick .   

After making disastrous decisions in their youth and surviving failed relationships, Kim Jonghyun and Lee Jinki finally find true love in their forties. When they decided to tie the knot, they didn’t expect that this knot would get their sons Kibum and Taemin entangled in a nasty way.

What happens if the maknae wants to hang out with his hyung but his hyung refuses?