Boss at Work: Team Leader Couple

Managers Im Yoo Na and Kang Ji Won looked like an in-house couple. However, Yoo Na will actually marry team leader Byung Seok who has a heart for her. Even after marriage, Yoo Na can't seem to forget Ji Won. Byung Seok thinks that he's having a stable marital relationship with Yoo Na, but he can't relate to her feelings. He deliberately invites Ji Won to his home. Byung Seok's obsession gets worse, and the three hide their true feelings for each other, and the relationship becomes strange.
(Source: HanCinema)