Serious about corporate life, Kim Nak-su sets his sights on upward mobility — but finds himself weighed down by favored juniors and office politics.
Guest Stars:
Lee Seo-hwan, Kim Jung-han, Nam Dae-hyeob, Jeong Si-yul, Oh Ki-hwan
Nak-su's ruthless ambition breeds tension for those around him, including his family. Soon, a sudden corporate scandal makes him HR's target.
Guest Stars:
Jang Won-young, Lee Seo-hwan, Lee Sang-jin
Nak-su's corporate disaster worsens as he scrambles for damage control — forcing Baek Jeong-tae to make a decisive choice about his career.
Guest Stars:
Lee Seo-hwan, Lee Sang-jin, Lee Joo-young
Forced into a career crisis, Nak-su tries to make the best out of his situation. But he soon faces Jeong-tae — who delivers a momentous blow.
Guest Stars:
Lee Seo-hwan
Now officially demoted, Nak-su agonizes over a daily grind that feels punishing. But just when he can't take it anymore, he finds a glimmer of hope.
Guest Stars:
Jung Eun-chae
Nak-su, full of new energy, pushes to return to headquarters. Meanwhile, his family faces changes unfolding in their own lives that test their bonds.
Guest Stars:
Jung Eun-chae, Jang Won-young
As Nak-su's behavior grows erratic, he manages rising employee anxiety amid a concerning company-wide notice — forcing him to make a bold decision.
Guest Stars:
Jung Eun-chae
As Nak-su tries to adjust to his bleak new reality, he searches for ways to get back on his feet — betting everything he has on a risky new venture.
Guest Stars:
Jung Eun-chae
Even as stress takes a physical toll, Nak-su hides his struggles from those around him — enduring humiliation to survive and keep up appearances.
Guest Stars:
Heo Nam-jun
When the truth comes to light, Park Ha-jin confronts Nak-su over betrayal. While apart from his wife, he finds courage to contact his estranged brother.
Guest Stars:
Kim Keum-soon, Heo Nam-jun
Nak-su's pride crumbles as he endures humiliating moments at his brother's workplace. Then Baek Jeong-tae reappears — with an irresistible offer.