Joo Hong Bin has anger management issues, and relies on his faithful secretary to keep him in line. Se Dong is a game developer who finds that her company has been sold to Hong Bin without her knowledge.

Se Dong becomes Chang's temporary caretaker, while dealing with the aftermath of her colleagues' reckless actions that land them in jail

Chang has a hard time adjusting to Hong Bin's home. Se Dong continues searching for jobs for herself and her entire team.

Hong Bin begins having vague memories of what happens before he faints. When Chang goes searching for his grandfather, Hong Bin ends up on a journey back to his first love's hometown.

Se Dong makes use of her time in Tae Hee's hometown by helping everyone out as best as she can since she's been forced to go there. Hong Bin tries to find out where Tae Hee is from her parents.

Fully aware of the blades that come out of his back, Hong Bin tries to get to the root of his condition and find out when he became this 'monster'.