Doom Chun Hae-Ri traveled to U.S. to seek a stable job but it wasn't her luck Unfortunately she gave up after many rejections. Later, she was forced to join and apply to a huge and private company because of severe money shortage. This company is very secret and also holds many secrets that may cost a life if said. Chun Hae-Ri had doubts with the company. But considering her and her sister's situation, she has left no choice to pick anymore.

• Romance