After his sister's sudden disappearance, Ro is contacted by the police officer Mark. Giving little information about the situation, Mark says Ro has to infiltrate Mother Earth, a huge pharmaceutical company, in order to find the whereabouts of his sister. Ro soon begins working there as a bodyguard, working close to Chairman A, a beautiful and mysterious man. Even though the situation is dangerous, there is a strange attraction between them, so strong that will lead them to a physical relationship. The more they get involved, the more Ro can investigate the connection between ME and his sister's disappearance, but his heart often wavers wanting to believe in A It is the beginning of Ro's battle with himself to decide if he can trust Chairman A or not. -----------------Rowe, who's worried about his sister's sudden disappearance, was approached by a police officer, Mark. He asked Rowe to join the M. E Company as a bodyguard in order to help find his sister. M. E Chairman, A, seems like a dangerous man who despite his charming look, is hard to determine what's going on inside of him. Somehow Rowe and A are bound together by some subtle attractions and it eventually led to a sexual relationship between them. But the more their relationship deepens, the more Rowe has to suspect that A is related to his sister's disappearance, even though he wants to keep trusting him