Kim jungkyu is a extremely overprotective son. He lives taking care of his single dad who is a young soft and lovely guy while Park rude Jihoon has a poor relationship with his own. Both found their ways tangled when their parents decide to date. Junkyu's goal is to separate them while jihoon  just lives his life being the rudest boy of the street. 

“Goodnight.. Gon!!”   “Thanks for the beautiful time, Hun. I love you. Goodbye ... forever.”   *phone call ended*