Family: The Unbreakable Bond S01 E01 Episode 1

"An Ordinary Family's Breathtaking Double Life"

Kwon Do-hun is an affectionate husband and father, but he is always late or absent at every family event because of his overwhelming work. After putting up for ten years, Kang Yu-ra finally loses her temper and invites Do-hun's ruthless supervisor, Chief Oh Cheon-ryeon, to their home.